623164973 has 2 divisors, whose sum is σ = 623164974. Its totient is φ = 623164972.

The previous prime is 623164951. The next prime is 623164981. The reversal of 623164973 is 379461326.

623164973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 621903844 + 1261129 = 24938^2 + 1123^2 .

It is a cyclic number.

It is not a de Polignac number, because 623164973 - 2¹⁰ = 623163949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623164973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623164933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311582486 + 311582487.

It is an arithmetic number, because the mean of its divisors is an integer number (311582487).

Almost surely, 2^623164973 is an apocalyptic number.

It is an amenable number.

623164973 is a deficient number, since it is larger than the sum of its proper divisors (1).

623164973 is an equidigital number, since it uses as much as digits as its factorization.

623164973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 623164973 is about 24963.2724817881. The cubic root of 623164973 is about 854.1503925365.

The spelling of 623164973 in words is "six hundred twenty-three million, one hundred sixty-four thousand, nine hundred seventy-three".