23145712700 has 72 divisors (see below), whose sum is σ = 54845020944. Its totient is φ = 8408512000.

The previous prime is 23145712699. The next prime is 23145712703. The reversal of 23145712700 is 721754132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145712703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1197110 + ... + 1216290.

It is an arithmetic number, because the mean of its divisors is an integer number (761736402).

Almost surely, 2^23145712700 is an apocalyptic number.

23145712700 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 23145712700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27422510472).

23145712700 is an abundant number, since it is smaller than the sum of its proper divisors (31699308244).

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

23145712700 is a wasteful number, since it uses less digits than its factorization.

23145712700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20303 (or 20296 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 23145712700 in words is "twenty-three billion, one hundred forty-five million, seven hundred twelve thousand, seven hundred".