79323230123021 has 4 divisors (see below), whose sum is σ = 79639258928544. Its totient is φ = 79007201317500.

The previous prime is 79323230123017. The next prime is 79323230123023. The reversal of 79323230123021 is 12032103232397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79323230123021 - 2² = 79323230123017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79323230123023) 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, 158014402385 + ... + 158014402886.

It is an arithmetic number, because the mean of its divisors is an integer number (19909814732136).

Almost surely, 2^{79323230123021} is an apocalyptic number.

It is an amenable number.

79323230123021 is a deficient number, since it is larger than the sum of its proper divisors (316028805523).

79323230123021 is a wasteful number, since it uses less digits than its factorization.

79323230123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316028805522.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 79323230123021 in words is "seventy-nine trillion, three hundred twenty-three billion, two hundred thirty million, one hundred twenty-three thousand, twenty-one".