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23303411420 = 2251165170571
BaseRepresentation
bin10101101100111111…
…011101011011011100
32020011001110221210212
4111230333131123130
5340211133131140
614412212551552
71453323504662
oct255477353334
966131427725
1023303411420
119979193a03
1246243225b8
132274bb2953
1411b0d0cc32
15915c94765
hex56cfdd6dc

23303411420 has 12 divisors (see below), whose sum is σ = 48937164024. Its totient is φ = 9321364560.

The previous prime is 23303411413. The next prime is 23303411429. The reversal of 23303411420 is 2411430332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303411429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582585266 + ... + 582585305.

It is an arithmetic number, because the mean of its divisors is an integer number (4078097002).

Almost surely, 223303411420 is an apocalyptic number.

23303411420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23303411420 is an abundant number, since it is smaller than the sum of its proper divisors (25633752604).

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

23303411420 is a wasteful number, since it uses less digits than its factorization.

23303411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165170580 (or 1165170578 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23303411420 its reverse (2411430332), we get a palindrome (25714841752).

The spelling of 23303411420 in words is "twenty-three billion, three hundred three million, four hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1165170571 2330341142 4660682284 5825852855 11651705710 23303411420