23055240400 has 30 divisors (see below), whose sum is σ = 55390216022. Its totient is φ = 9222096000.

The previous prime is 23055240391. The next prime is 23055240401. The reversal of 23055240400 is 404255032.

It can be written as a sum of positive squares in 3 ways, for example, as 701402256 + 22353838144 = 26484^2 + 149512^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055240401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28818651 + ... + 28819450.

Almost surely, 2^23055240400 is an apocalyptic number.

23055240400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23055240400 is an abundant number, since it is smaller than the sum of its proper divisors (32334975622).

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

23055240400 is a wasteful number, since it uses less digits than its factorization.

23055240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57638119 (or 57638108 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 23055240400 its reverse (404255032), we get a palindrome (23459495432).

The spelling of 23055240400 in words is "twenty-three billion, fifty-five million, two hundred forty thousand, four hundred".