23525515003 has 4 divisors (see below), whose sum is σ = 23551114960. Its totient is φ = 23499915048.

The previous prime is 23525514997. The next prime is 23525515049. The reversal of 23525515003 is 30051552532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23525515003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23525525003) 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, 12798600 + ... + 12800437.

It is an arithmetic number, because the mean of its divisors is an integer number (5887778740).

Almost surely, 2^23525515003 is an apocalyptic number.

23525515003 is a deficient number, since it is larger than the sum of its proper divisors (25599957).

23525515003 is an equidigital number, since it uses as much as digits as its factorization.

23525515003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25599956.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 23525515003 in words is "twenty-three billion, five hundred twenty-five million, five hundred fifteen thousand, three".