623376378 has 16 divisors (see below), whose sum is σ = 1385280960. Its totient is φ = 207792108.

The previous prime is 623376371. The next prime is 623376389. The reversal of 623376378 is 873673326.

623376378 is a `hidden beast` number, since 6 + 2 + 3 + 3 + 7 + 637 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (623376371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5771950 + ... + 5772057.

It is an arithmetic number, because the mean of its divisors is an integer number (86580060).

Almost surely, 2^623376378 is an apocalyptic number.

623376378 is an abundant number, since it is smaller than the sum of its proper divisors (761904582).

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

623376378 is a wasteful number, since it uses less digits than its factorization.

623376378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11544018 (or 11544012 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 623376378 is about 24967.5064433756. The cubic root of 623376378 is about 854.2469700915.

The spelling of 623376378 in words is "six hundred twenty-three million, three hundred seventy-six thousand, three hundred seventy-eight".