123364873 has 4 divisors (see below), whose sum is σ = 123387088. Its totient is φ = 123342660.

The previous prime is 123364861. The next prime is 123364877. The reversal of 123364873 is 378463321.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 378463321 = 23 ⋅16454927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123364873 is a prime.

It is a super-2 number, since 2×123364873² = 30437783780612258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123364877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5518 + ... + 16648.

It is an arithmetic number, because the mean of its divisors is an integer number (30846772).

Almost surely, 2^123364873 is an apocalyptic number.

It is an amenable number.

123364873 is a deficient number, since it is larger than the sum of its proper divisors (22215).

123364873 is a wasteful number, since it uses less digits than its factorization.

123364873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22214.

The product of its digits is 72576, while the sum is 37.

The square root of 123364873 is about 11106.9740703758. The cubic root of 123364873 is about 497.8102546974.

The spelling of 123364873 in words is "one hundred twenty-three million, three hundred sixty-four thousand, eight hundred seventy-three".