623276623 has 2 divisors, whose sum is σ = 623276624. Its totient is φ = 623276622.

The previous prime is 623276611. The next prime is 623276639. The reversal of 623276623 is 326672326.

623276623 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 a de Polignac number, because none of the positive numbers 2^k-623276623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623276603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311638311 + 311638312.

It is an arithmetic number, because the mean of its divisors is an integer number (311638312).

Almost surely, 2^623276623 is an apocalyptic number.

623276623 is a deficient number, since it is larger than the sum of its proper divisors (1).

623276623 is an equidigital number, since it uses as much as digits as its factorization.

623276623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 37.

The square root of 623276623 is about 24965.5086669589. The cubic root of 623276623 is about 854.2014010712.

The spelling of 623276623 in words is "six hundred twenty-three million, two hundred seventy-six thousand, six hundred twenty-three".