123021323120321 has 4 divisors (see below), whose sum is σ = 123757977749952. Its totient is φ = 122284668490692.

The previous prime is 123021323120317. The next prime is 123021323120341.

123021323120321 is nontrivially palindromic in base 10.

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 123021323120321 - 2² = 123021323120317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123021323120341) 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, 368327314565 + ... + 368327314898.

It is an arithmetic number, because the mean of its divisors is an integer number (30939494437488).

Almost surely, 2^{123021323120321} is an apocalyptic number.

It is an amenable number.

123021323120321 is a deficient number, since it is larger than the sum of its proper divisors (736654629631).

123021323120321 is an equidigital number, since it uses as much as digits as its factorization.

123021323120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736654629630.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 123021323120321 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred twenty-three million, one hundred twenty thousand, three hundred twenty-one".