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23003452436420 = 2251150172621821
BaseRepresentation
bin1010011101011111010001…
…00111000110111111000100
310000110002221011002201112102
411032233220213012333010
511003342032310431140
6120531350135211232
74562641665346211
oct516575047067704
9100402834081472
1023003452436420
117369789224355
1226b6281816b18
13cab2a7168b11
14597531890b08
1529d58c73de15
hex14ebe89c6fc4

23003452436420 has 12 divisors (see below), whose sum is σ = 48307250116524. Its totient is φ = 9201380974560.

The previous prime is 23003452436401. The next prime is 23003452436429. The reversal of 23003452436420 is 2463425430032.

It can be written as a sum of positive squares in 2 ways, for example, as 6908865054784 + 16094587381636 = 2628472^2 + 4011806^2 .

It is not an unprimeable number, because it can be changed into a prime (23003452436429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575086310891 + ... + 575086310930.

It is an arithmetic number, because the mean of its divisors is an integer number (4025604176377).

Almost surely, 223003452436420 is an apocalyptic number.

23003452436420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003452436420 is an abundant number, since it is smaller than the sum of its proper divisors (25303797680104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23003452436420 is a wasteful number, since it uses less digits than its factorization.

23003452436420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150172621830 (or 1150172621828 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 23003452436420 its reverse (2463425430032), we get a palindrome (25466877866452).

The spelling of 23003452436420 in words is "twenty-three trillion, three billion, four hundred fifty-two million, four hundred thirty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1150172621821 2300345243642 4600690487284 5750863109105 11501726218210 23003452436420