623772707 has 2 divisors, whose sum is σ = 623772708. Its totient is φ = 623772706.

The previous prime is 623772697. The next prime is 623772713. The reversal of 623772707 is 707277326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623772707 - 2⁴ = 623772691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (623772727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311886353 + 311886354.

It is an arithmetic number, because the mean of its divisors is an integer number (311886354).

Almost surely, 2^623772707 is an apocalyptic number.

623772707 is a deficient number, since it is larger than the sum of its proper divisors (1).

623772707 is an equidigital number, since it uses as much as digits as its factorization.

623772707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172872, while the sum is 41.

The square root of 623772707 is about 24975.4420781695. The cubic root of 623772707 is about 854.4279688879.

The spelling of 623772707 in words is "six hundred twenty-three million, seven hundred seventy-two thousand, seven hundred seven".