623953271 has 2 divisors, whose sum is σ = 623953272. Its totient is φ = 623953270.

The previous prime is 623953243. The next prime is 623953283. The reversal of 623953271 is 172359326.

623953271 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 is a cyclic number.

It is not a de Polignac number, because 623953271 - 2⁶ = 623953207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623953171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311976635 + 311976636.

It is an arithmetic number, because the mean of its divisors is an integer number (311976636).

Almost surely, 2^623953271 is an apocalyptic number.

623953271 is a deficient number, since it is larger than the sum of its proper divisors (1).

623953271 is an equidigital number, since it uses as much as digits as its factorization.

623953271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 623953271 is about 24979.0566475197. The cubic root of 623953271 is about 854.5104049238.

The spelling of 623953271 in words is "six hundred twenty-three million, nine hundred fifty-three thousand, two hundred seventy-one".