123943392 has 96 divisors (see below), whose sum is σ = 364089600. Its totient is φ = 41019264.

The previous prime is 123943387. The next prime is 123943397. The reversal of 123943392 is 293349321.

It is an interprime number because it is at equal distance from previous prime (123943387) and next prime (123943397).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123943397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143859 + ... + 144717.

It is an arithmetic number, because the mean of its divisors is an integer number (3792600).

Almost surely, 2^123943392 is an apocalyptic number.

123943392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123943392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182044800).

123943392 is an abundant number, since it is smaller than the sum of its proper divisors (240146208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123943392 is a wasteful number, since it uses less digits than its factorization.

123943392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1031 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 123943392 is about 11132.9866612693. The cubic root of 123943392 is about 498.5872010918.

It can be divided in two parts, 1239433 and 92, that added together give a triangular number (1239525 = T₁₅₇₄).

The spelling of 123943392 in words is "one hundred twenty-three million, nine hundred forty-three thousand, three hundred ninety-two".