23545507252 has 48 divisors (see below), whose sum is σ = 42989900800. Its totient is φ = 11271156480.

The previous prime is 23545507243. The next prime is 23545507277. The reversal of 23545507252 is 25270554532.

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 15 ways as a sum of consecutive naturals, for example, 15258793 + ... + 15260335.

Almost surely, 2^23545507252 is an apocalyptic number.

It is an amenable number.

23545507252 is a deficient number, since it is larger than the sum of its proper divisors (19444393548).

23545507252 is a wasteful number, since it uses less digits than its factorization.

23545507252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 40.

The spelling of 23545507252 in words is "twenty-three billion, five hundred forty-five million, five hundred seven thousand, two hundred fifty-two".