623038974461 has 2 divisors, whose sum is σ = 623038974462. Its totient is φ = 623038974460.

The previous prime is 623038974421. The next prime is 623038974533. The reversal of 623038974461 is 164479830326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 565174671961 + 57864302500 = 751781^2 + 240550^2 .

It is a cyclic number.

It is not a de Polignac number, because 623038974461 - 2²² = 623034780157 is a prime.

It is a super-2 number, since 2×623038974461² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623038974421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311519487230 + 311519487231.

It is an arithmetic number, because the mean of its divisors is an integer number (311519487231).

Almost surely, 2^623038974461 is an apocalyptic number.

It is an amenable number.

623038974461 is a deficient number, since it is larger than the sum of its proper divisors (1).

623038974461 is an equidigital number, since it uses as much as digits as its factorization.

623038974461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 623038974461 in words is "six hundred twenty-three billion, thirty-eight million, nine hundred seventy-four thousand, four hundred sixty-one".