23261322504220 has 12 divisors (see below), whose sum is σ = 48848777258904. Its totient is φ = 9304529001680.

The previous prime is 23261322504197. The next prime is 23261322504229. The reversal of 23261322504220 is 2240522316232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261322504229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581533062586 + ... + 581533062625.

It is an arithmetic number, because the mean of its divisors is an integer number (4070731438242).

Almost surely, 2^{23261322504220} is an apocalyptic number.

23261322504220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23261322504220 is an abundant number, since it is smaller than the sum of its proper divisors (25587454754684).

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

23261322504220 is a wasteful number, since it uses less digits than its factorization.

23261322504220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163066125220 (or 1163066125218 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 23261322504220 in words is "twenty-three trillion, two hundred sixty-one billion, three hundred twenty-two million, five hundred four thousand, two hundred twenty".