23131111323300 has 144 divisors (see below), whose sum is σ = 68898106197312. Its totient is φ = 5987328883200.

The previous prime is 23131111323239. The next prime is 23131111323311. The reversal of 23131111323300 is 332311113132.

It is a super-2 number, since 2×23131111323300² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2198179 + ... + 7148021.

Almost surely, 2^{23131111323300} is an apocalyptic number.

23131111323300 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 23131111323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34449053098656).

23131111323300 is an abundant number, since it is smaller than the sum of its proper divisors (45766994874012).

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

23131111323300 is a wasteful number, since it uses less digits than its factorization.

23131111323300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950318 (or 4950311 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 23131111323300 its reverse (332311113132), we get a palindrome (23463422436432).

The spelling of 23131111323300 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred eleven million, three hundred twenty-three thousand, three hundred".