623668363 has 2 divisors, whose sum is σ = 623668364. Its totient is φ = 623668362.

The previous prime is 623668321. The next prime is 623668417. The reversal of 623668363 is 363866326.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623668363 - 2¹³ = 623660171 is a prime.

It is not a weakly prime, because it can be changed into another prime (623668303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311834181 + 311834182.

It is an arithmetic number, because the mean of its divisors is an integer number (311834182).

Almost surely, 2^623668363 is an apocalyptic number.

623668363 is a deficient number, since it is larger than the sum of its proper divisors (1).

623668363 is an equidigital number, since it uses as much as digits as its factorization.

623668363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 43.

The square root of 623668363 is about 24973.3530588105. The cubic root of 623668363 is about 854.3803236465.

The spelling of 623668363 in words is "six hundred twenty-three million, six hundred sixty-eight thousand, three hundred sixty-three".