623376 has 100 divisors (see below), whose sum is σ = 1995532. Its totient is φ = 186624.

The previous prime is 623353. The next prime is 623383. The reversal of 623376 is 673326.

623376 is a `hidden beast` number, since 623 + 37 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 291600 = 576^2 + 540^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 16.

It is an unprimeable number.

623376 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16830 + ... + 16866.

2⁶²³³⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997766).

623376 is an abundant number, since it is smaller than the sum of its proper divisors (1372156).

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

623376 is a wasteful number, since it uses less digits than its factorization.

623376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 55 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 623376 is about 789.5416391806. The cubic root of 623376 is about 85.4246797427.

It can be divided in two parts, 623 and 376, that added together give a palindrome (999).

The spelling of 623376 in words is "six hundred twenty-three thousand, three hundred seventy-six".