623376454 has 4 divisors (see below), whose sum is σ = 935064684. Its totient is φ = 311688226.

The previous prime is 623376449. The next prime is 623376487. The reversal of 623376454 is 454673326.

623376454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×623376454² = 777196406803228232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155844112 + ... + 155844115.

It is an arithmetic number, because the mean of its divisors is an integer number (233766171).

Almost surely, 2^623376454 is an apocalyptic number.

623376454 is a deficient number, since it is larger than the sum of its proper divisors (311688230).

623376454 is a wasteful number, since it uses less digits than its factorization.

623376454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311688229.

The product of its digits is 362880, while the sum is 40.

The square root of 623376454 is about 24967.5079653537. The cubic root of 623376454 is about 854.2470048071.

The spelling of 623376454 in words is "six hundred twenty-three million, three hundred seventy-six thousand, four hundred fifty-four".