623147901 has 32 divisors (see below), whose sum is σ = 884183040. Its totient is φ = 389558400.

The previous prime is 623147851. The next prime is 623147927. The reversal of 623147901 is 109741326.

It is not a de Polignac number, because 623147901 - 2⁷ = 623147773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623147401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1523385 + ... + 1523793.

It is an arithmetic number, because the mean of its divisors is an integer number (27630720).

Almost surely, 2^623147901 is an apocalyptic number.

It is an amenable number.

623147901 is a deficient number, since it is larger than the sum of its proper divisors (261035139).

623147901 is a wasteful number, since it uses less digits than its factorization.

623147901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 623147901 is about 24962.9305370984. The cubic root of 623147901 is about 854.1425924679.

The spelling of 623147901 in words is "six hundred twenty-three million, one hundred forty-seven thousand, nine hundred one".