123023864 has 16 divisors (see below), whose sum is σ = 231880320. Its totient is φ = 61189120.

The previous prime is 123023837. The next prime is 123023867. The reversal of 123023864 is 468320321.

It is a super-2 number, since 2×123023864² = 30269742226980992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023867) 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, 38729 + ... + 41784.

It is an arithmetic number, because the mean of its divisors is an integer number (14492520).

Almost surely, 2^123023864 is an apocalyptic number.

It is an amenable number.

123023864 is a deficient number, since it is larger than the sum of its proper divisors (108856456).

123023864 is a wasteful number, since it uses less digits than its factorization.

123023864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80710 (or 80706 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 123023864 is about 11091.6123264384. The cubic root of 123023864 is about 497.3511439035.

The spelling of 123023864 in words is "one hundred twenty-three million, twenty-three thousand, eight hundred sixty-four".