23051320525 has 24 divisors (see below), whose sum is σ = 28696538304. Its totient is φ = 18368380800.

The previous prime is 23051320519. The next prime is 23051320601. The reversal of 23051320525 is 52502315032.

It is not a de Polignac number, because 23051320525 - 2³ = 23051320517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23051320493 and 23051320502.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7757290 + ... + 7760260.

It is an arithmetic number, because the mean of its divisors is an integer number (1195689096).

Almost surely, 2^23051320525 is an apocalyptic number.

23051320525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23051320525 is a deficient number, since it is larger than the sum of its proper divisors (5645217779).

23051320525 is a wasteful number, since it uses less digits than its factorization.

23051320525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 23051320525 its reverse (52502315032), we get a palindrome (75553635557).

The spelling of 23051320525 in words is "twenty-three billion, fifty-one million, three hundred twenty thousand, five hundred twenty-five".