23201274128 has 20 divisors (see below), whose sum is σ = 44974686540. Its totient is φ = 11594903424.

The previous prime is 23201274071. The next prime is 23201274133. The reversal of 23201274128 is 82147210232.

It can be written as a sum of positive squares in 2 ways, for example, as 22708078864 + 493195264 = 150692^2 + 22208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23201274094 and 23201274103.

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 3 ways as a sum of consecutive naturals, for example, 324875 + ... + 389802.

It is an arithmetic number, because the mean of its divisors is an integer number (2248734327).

Almost surely, 2^23201274128 is an apocalyptic number.

It is an amenable number.

23201274128 is a deficient number, since it is larger than the sum of its proper divisors (21773412412).

23201274128 is a wasteful number, since it uses less digits than its factorization.

23201274128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716714 (or 716708 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 23201274128 in words is "twenty-three billion, two hundred one million, two hundred seventy-four thousand, one hundred twenty-eight".