623109376 has 72 divisors (see below), whose sum is σ = 1312444224. Its totient is φ = 294666240.

The previous prime is 623109367. The next prime is 623109401. The reversal of 623109376 is 673901326.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570591 + ... + 571681.

It is an arithmetic number, because the mean of its divisors is an integer number (18228392).

Almost surely, 2^623109376 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 623109376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656222112).

623109376 is an abundant number, since it is smaller than the sum of its proper divisors (689334848).

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

623109376 is a wasteful number, since it uses less digits than its factorization.

623109376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 623109376 is about 24962.1588809942. The cubic root of 623109376 is about 854.1249901611.

The spelling of 623109376 in words is "six hundred twenty-three million, one hundred nine thousand, three hundred seventy-six".