123812367 has 20 divisors (see below), whose sum is σ = 192596760. Its totient is φ = 70745808.

The previous prime is 123812347. The next prime is 123812387. The reversal of 123812367 is 763218321.

It is an interprime number because it is at equal distance from previous prime (123812347) and next prime (123812387).

It is not a de Polignac number, because 123812367 - 2¹⁰ = 123811343 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123812327) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1392 + ... + 15797.

It is an arithmetic number, because the mean of its divisors is an integer number (9629838).

Almost surely, 2^123812367 is an apocalyptic number.

123812367 is a deficient number, since it is larger than the sum of its proper divisors (68784393).

123812367 is an frugal number, since it uses more digits than its factorization.

123812367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17220 (or 17199 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 123812367 is about 11127.1005657359. The cubic root of 123812367 is about 498.4114476813.

The spelling of 123812367 in words is "one hundred twenty-three million, eight hundred twelve thousand, three hundred sixty-seven".