123423013140422 has 8 divisors (see below), whose sum is σ = 185351559009456. Its totient is φ = 61639160137272.

The previous prime is 123423013140397. The next prime is 123423013140431. The reversal of 123423013140422 is 224041310324321.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36173214338 + ... + 36173217749.

It is an arithmetic number, because the mean of its divisors is an integer number (23168944876182).

Almost surely, 2^{123423013140422} is an apocalyptic number.

123423013140422 is a deficient number, since it is larger than the sum of its proper divisors (61928545869034).

123423013140422 is an equidigital number, since it uses as much as digits as its factorization.

123423013140422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72346432942.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 123423013140422 its reverse (224041310324321), we get a palindrome (347464323464743).

The spelling of 123423013140422 in words is "one hundred twenty-three trillion, four hundred twenty-three billion, thirteen million, one hundred forty thousand, four hundred twenty-two".