23320121142400 has 96 divisors (see below), whose sum is σ = 57861768239280. Its totient is φ = 9286955443200.

The previous prime is 23320121142389. The next prime is 23320121142407. The reversal of 23320121142400 is 424112102332.

It is a super-2 number, since 2×23320121142400² (a number of 28 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (23320121142407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15325446 + ... + 16778245.

Almost surely, 2^{23320121142400} is an apocalyptic number.

23320121142400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320121142400 is an abundant number, since it is smaller than the sum of its proper divisors (34541647096880).

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

23320121142400 is a wasteful number, since it uses less digits than its factorization.

23320121142400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32103942 (or 32103925 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 23320121142400 its reverse (424112102332), we get a palindrome (23744233244732).

The spelling of 23320121142400 in words is "twenty-three trillion, three hundred twenty billion, one hundred twenty-one million, one hundred forty-two thousand, four hundred".