623002394977 has 2 divisors, whose sum is σ = 623002394978. Its totient is φ = 623002394976.

The previous prime is 623002394929. The next prime is 623002395007. The reversal of 623002394977 is 779493200326.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426335867136 + 196666527841 = 652944^2 + 443471^2 .

It is a cyclic number.

It is not a de Polignac number, because 623002394977 - 2²⁷ = 622868177249 is a prime.

It is not a weakly prime, because it can be changed into another prime (623002344977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311501197488 + 311501197489.

It is an arithmetic number, because the mean of its divisors is an integer number (311501197489).

Almost surely, 2^623002394977 is an apocalyptic number.

It is an amenable number.

623002394977 is a deficient number, since it is larger than the sum of its proper divisors (1).

623002394977 is an equidigital number, since it uses as much as digits as its factorization.

623002394977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 623002394977 in words is "six hundred twenty-three billion, two million, three hundred ninety-four thousand, nine hundred seventy-seven".