123242553431299 has 8 divisors (see below), whose sum is σ = 130495206703680. Its totient is φ = 115990243637376.

The previous prime is 123242553431273. The next prime is 123242553431329. The reversal of 123242553431299 is 992134355242321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123242553431299 - 2¹⁷ = 123242553300227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123242553431209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85130704 + ... + 86566285.

It is an arithmetic number, because the mean of its divisors is an integer number (16311900837960).

Almost surely, 2^{123242553431299} is an apocalyptic number.

123242553431299 is a deficient number, since it is larger than the sum of its proper divisors (7252653272381).

123242553431299 is a wasteful number, since it uses less digits than its factorization.

123242553431299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171739229.

The product of its digits is 13996800, while the sum is 55.

The spelling of 123242553431299 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred fifty-three million, four hundred thirty-one thousand, two hundred ninety-nine".