23002540000400 has 120 divisors (see below), whose sum is σ = 58106571994944. Its totient is φ = 8733788377600.

The previous prime is 23002540000393. The next prime is 23002540000441. The reversal of 23002540000400 is 400004520032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8337839 + ... + 10748238.

Almost surely, 2^{23002540000400} is an apocalyptic number.

23002540000400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23002540000400 is an abundant number, since it is smaller than the sum of its proper divisors (35104031994544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23002540000400 is a wasteful number, since it uses less digits than its factorization.

23002540000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19086249 (or 19086238 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 23002540000400 its reverse (400004520032), we get a palindrome (23402544520432).

The spelling of 23002540000400 in words is "twenty-three trillion, two billion, five hundred forty million, four hundred", and thus it is an aban number.