623960671 has 2 divisors, whose sum is σ = 623960672. Its totient is φ = 623960670.

The previous prime is 623960669. The next prime is 623960677. The reversal of 623960671 is 176069326.

623960671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623960671 - 2¹ = 623960669 is a prime.

Together with 623960669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623960677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311980335 + 311980336.

It is an arithmetic number, because the mean of its divisors is an integer number (311980336).

Almost surely, 2^623960671 is an apocalyptic number.

623960671 is a deficient number, since it is larger than the sum of its proper divisors (1).

623960671 is an equidigital number, since it uses as much as digits as its factorization.

623960671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 623960671 is about 24979.2047711692. The cubic root of 623960671 is about 854.5137830358.

The spelling of 623960671 in words is "six hundred twenty-three million, nine hundred sixty thousand, six hundred seventy-one".