923412057121 has 4 divisors (see below), whose sum is σ = 923437042452. Its totient is φ = 923387071792.

The previous prime is 923412057089. The next prime is 923412057163. The reversal of 923412057121 is 121750214329.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 778433879521 + 144978177600 = 882289^2 + 380760^2 .

It is a cyclic number.

It is not a de Polignac number, because 923412057121 - 2⁵ = 923412057089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (923412057181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12437146 + ... + 12511171.

It is an arithmetic number, because the mean of its divisors is an integer number (230859260613).

Almost surely, 2^923412057121 is an apocalyptic number.

It is an amenable number.

923412057121 is a deficient number, since it is larger than the sum of its proper divisors (24985331).

923412057121 is a wasteful number, since it uses less digits than its factorization.

923412057121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24985330.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 923412057121 in words is "nine hundred twenty-three billion, four hundred twelve million, fifty-seven thousand, one hundred twenty-one".