623340555 has 16 divisors (see below), whose sum is σ = 1018566144. Its totient is φ = 325374560.

The previous prime is 623340521. The next prime is 623340559. The reversal of 623340555 is 555043326.

623340555 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623340555 - 2⁶ = 623340491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623340559) 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, 441381 + ... + 442790.

It is an arithmetic number, because the mean of its divisors is an integer number (63660384).

Almost surely, 2^623340555 is an apocalyptic number.

623340555 is a deficient number, since it is larger than the sum of its proper divisors (395225589).

623340555 is a wasteful number, since it uses less digits than its factorization.

623340555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884226.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 623340555 is about 24966.7890406436. The cubic root of 623340555 is about 854.2306063683.

The spelling of 623340555 in words is "six hundred twenty-three million, three hundred forty thousand, five hundred fifty-five".