123079044381 has 4 divisors (see below), whose sum is σ = 164105392512. Its totient is φ = 82052696252.

The previous prime is 123079044371. The next prime is 123079044397. The reversal of 123079044381 is 183440970321.

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 123079044381 - 2⁶ = 123079044317 is a prime.

It is a super-2 number, since 2×123079044381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123079044371) by changing a digit.

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, 20513174061 + ... + 20513174066.

It is an arithmetic number, because the mean of its divisors is an integer number (41026348128).

Almost surely, 2^123079044381 is an apocalyptic number.

It is an amenable number.

123079044381 is a deficient number, since it is larger than the sum of its proper divisors (41026348131).

123079044381 is an equidigital number, since it uses as much as digits as its factorization.

123079044381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41026348130.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 123079044381 in words is "one hundred twenty-three billion, seventy-nine million, forty-four thousand, three hundred eighty-one".