23214556500 has 192 divisors, whose sum is σ = 70020018432. Its totient is φ = 5972928000.

The previous prime is 23214556493. The next prime is 23214556511. The reversal of 23214556500 is 565541232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4847107 + ... + 4851893.

It is an arithmetic number, because the mean of its divisors is an integer number (364687596).

Almost surely, 2^23214556500 is an apocalyptic number.

23214556500 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 23214556500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35010009216).

23214556500 is an abundant number, since it is smaller than the sum of its proper divisors (46805461932).

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

23214556500 is a wasteful number, since it uses less digits than its factorization.

23214556500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 23214556500 in words is "twenty-three billion, two hundred fourteen million, five hundred fifty-six thousand, five hundred".