123423137711 has 8 divisors (see below), whose sum is σ = 123926293920. Its totient is φ = 122920238592.

The previous prime is 123423137699. The next prime is 123423137759. The reversal of 123423137711 is 117731324321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123423137711 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 (123423137011) 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, 928991 + ... + 1053503.

It is an arithmetic number, because the mean of its divisors is an integer number (15490786740).

Almost surely, 2^123423137711 is an apocalyptic number.

123423137711 is a deficient number, since it is larger than the sum of its proper divisors (503156209).

123423137711 is a wasteful number, since it uses less digits than its factorization.

123423137711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128545.

The product of its digits is 21168, while the sum is 35.

The spelling of 123423137711 in words is "one hundred twenty-three billion, four hundred twenty-three million, one hundred thirty-seven thousand, seven hundred eleven".