123455792579 has 12 divisors (see below), whose sum is σ = 143617675608. Its totient is φ = 105814951200.

The previous prime is 123455792563. The next prime is 123455792587. The reversal of 123455792579 is 975297554321.

It is not a de Polignac number, because 123455792579 - 2⁴ = 123455792563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123455792539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1986284 + ... + 2047494.

It is an arithmetic number, because the mean of its divisors is an integer number (11968139634).

Almost surely, 2^123455792579 is an apocalyptic number.

123455792579 is a deficient number, since it is larger than the sum of its proper divisors (20161883029).

123455792579 is an equidigital number, since it uses as much as digits as its factorization.

123455792579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102386 (or 102379 counting only the distinct ones).

The product of its digits is 23814000, while the sum is 59.

The spelling of 123455792579 in words is "one hundred twenty-three billion, four hundred fifty-five million, seven hundred ninety-two thousand, five hundred seventy-nine".