23000257528 has 8 divisors (see below), whose sum is σ = 43125482880. Its totient is φ = 11500128760.

The previous prime is 23000257523. The next prime is 23000257537. The reversal of 23000257528 is 82575200032.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 23000257493 and 23000257502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000257523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437516088 + ... + 1437516103.

It is an arithmetic number, because the mean of its divisors is an integer number (5390685360).

Almost surely, 2^23000257528 is an apocalyptic number.

It is an amenable number.

23000257528 is a deficient number, since it is larger than the sum of its proper divisors (20125225352).

23000257528 is a wasteful number, since it uses less digits than its factorization.

23000257528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875032197 (or 2875032193 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 23000257528 in words is "twenty-three billion, two hundred fifty-seven thousand, five hundred twenty-eight".