123823404571964 has 12 divisors (see below), whose sum is σ = 217514877995184. Its totient is φ = 61676296573344.

The previous prime is 123823404571957. The next prime is 123823404572003. The reversal of 123823404571964 is 469175404328321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58851426977 + ... + 58851429080.

It is an arithmetic number, because the mean of its divisors is an integer number (18126239832932).

It is a 1-persistent number, because it is pandigital, but 2⋅123823404571964 = 247646809143928 is not.

Almost surely, 2^{123823404571964} is an apocalyptic number.

It is an amenable number.

123823404571964 is a deficient number, since it is larger than the sum of its proper divisors (93691473423220).

123823404571964 is a wasteful number, since it uses less digits than its factorization.

123823404571964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117702856324 (or 117702856322 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 123823404571964 in words is "one hundred twenty-three trillion, eight hundred twenty-three billion, four hundred four million, five hundred seventy-one thousand, nine hundred sixty-four".