23540252152 has 32 divisors (see below), whose sum is σ = 46076572800. Its totient is φ = 11253600864.

The previous prime is 23540252123. The next prime is 23540252159. The reversal of 23540252152 is 25125204532.

It is a super-2 number, since 2×23540252152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23540252159) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 427999 + ... + 479857.

It is an arithmetic number, because the mean of its divisors is an integer number (1439892900).

Almost surely, 2^23540252152 is an apocalyptic number.

It is an amenable number.

23540252152 is a deficient number, since it is larger than the sum of its proper divisors (22536320648).

23540252152 is a wasteful number, since it uses less digits than its factorization.

23540252152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54355 (or 54351 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 23540252152 its reverse (25125204532), we get a palindrome (48665456684).

The spelling of 23540252152 in words is "twenty-three billion, five hundred forty million, two hundred fifty-two thousand, one hundred fifty-two".