123423114157 has 4 divisors (see below), whose sum is σ = 141054987616. Its totient is φ = 105791240700.

The previous prime is 123423114127. The next prime is 123423114161. The reversal of 123423114157 is 751411324321.

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 123423114157 - 2³⁵ = 89063375789 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 (123423114127) 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, 8815936719 + ... + 8815936732.

It is an arithmetic number, because the mean of its divisors is an integer number (35263746904).

Almost surely, 2^123423114157 is an apocalyptic number.

It is an amenable number.

123423114157 is a deficient number, since it is larger than the sum of its proper divisors (17631873459).

123423114157 is an equidigital number, since it uses as much as digits as its factorization.

123423114157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17631873458.

The product of its digits is 20160, while the sum is 34.

Adding to 123423114157 its reverse (751411324321), we get a palindrome (874834438478).

The spelling of 123423114157 in words is "one hundred twenty-three billion, four hundred twenty-three million, one hundred fourteen thousand, one hundred fifty-seven".