23313320400 has 120 divisors (see below), whose sum is σ = 77255635680. Its totient is φ = 6002501120.

The previous prime is 23313320389. The next prime is 23313320423. The reversal of 23313320400 is 402331332.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

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, 300162 + ... + 369761.

It is an arithmetic number, because the mean of its divisors is an integer number (643796964).

Almost surely, 2^23313320400 is an apocalyptic number.

23313320400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23313320400 is an abundant number, since it is smaller than the sum of its proper divisors (53942315280).

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

23313320400 is a wasteful number, since it uses less digits than its factorization.

23313320400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669973 (or 669962 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23313320400 its reverse (402331332), we get a palindrome (23715651732).

The spelling of 23313320400 in words is "twenty-three billion, three hundred thirteen million, three hundred twenty thousand, four hundred".