23172374400 has 288 divisors, whose sum is σ = 88786873080. Its totient is φ = 5296435200.

The previous prime is 23172374347. The next prime is 23172374413. The reversal of 23172374400 is 447327132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 445770 + ... + 495030.

Almost surely, 2^23172374400 is an apocalyptic number.

23172374400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23172374400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44393436540).

23172374400 is an abundant number, since it is smaller than the sum of its proper divisors (65614498680).

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

23172374400 is a wasteful number, since it uses less digits than its factorization.

23172374400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49302 (or 49278 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The spelling of 23172374400 in words is "twenty-three billion, one hundred seventy-two million, three hundred seventy-four thousand, four hundred".