913221120232123 has 16 divisors (see below), whose sum is σ = 991796135162400. Its totient is φ = 837625575195136.

The previous prime is 913221120232111. The next prime is 913221120232133. The reversal of 913221120232123 is 321232021122319.

It is a cyclic number.

It is not a de Polignac number, because 913221120232123 - 2⁹ = 913221120231611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (913221120232133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3401087065 + ... + 3401355562.

It is an arithmetic number, because the mean of its divisors is an integer number (61987258447650).

Almost surely, 2^{913221120232123} is an apocalyptic number.

913221120232123 is a deficient number, since it is larger than the sum of its proper divisors (78575014930277).

913221120232123 is a wasteful number, since it uses less digits than its factorization.

913221120232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802442846.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 913221120232123 in words is "nine hundred thirteen trillion, two hundred twenty-one billion, one hundred twenty million, two hundred thirty-two thousand, one hundred twenty-three".