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23023103020 = 2251151155151
BaseRepresentation
bin10101011100010010…
…001010110000101100
32012102112000210222021
4111130102022300230
5334122403244040
614324320555524
71443351101221
oct253422126054
965375023867
1023023103020
119844a3a075
124566482ba4
13222babaaa8
1411859c3948
158eb37524a
hex55c48ac2c

23023103020 has 12 divisors (see below), whose sum is σ = 48348516384. Its totient is φ = 9209241200.

The previous prime is 23023103003. The next prime is 23023103023. The reversal of 23023103020 is 2030132032.

It is a junction number, because it is equal to n+sod(n) for n = 23023102985 and 23023103003.

It is not an unprimeable number, because it can be changed into a prime (23023103023) 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, 575577556 + ... + 575577595.

It is an arithmetic number, because the mean of its divisors is an integer number (4029043032).

Almost surely, 223023103020 is an apocalyptic number.

23023103020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23023103020 is an abundant number, since it is smaller than the sum of its proper divisors (25325413364).

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

23023103020 is a wasteful number, since it uses less digits than its factorization.

23023103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151155160 (or 1151155158 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23023103020 its reverse (2030132032), we get a palindrome (25053235052).

The spelling of 23023103020 in words is "twenty-three billion, twenty-three million, one hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 1151155151 2302310302 4604620604 5755775755 11511551510 23023103020