623163263 has 4 divisors (see below), whose sum is σ = 623336688. Its totient is φ = 622989840.

The previous prime is 623163239. The next prime is 623163283. The reversal of 623163263 is 362361326.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 623163263 - 2⁶ = 623163199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623163283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81206 + ... + 88547.

It is an arithmetic number, because the mean of its divisors is an integer number (155834172).

Almost surely, 2^623163263 is an apocalyptic number.

623163263 is a deficient number, since it is larger than the sum of its proper divisors (173425).

623163263 is a wasteful number, since it uses less digits than its factorization.

623163263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173424.

The product of its digits is 23328, while the sum is 32.

The square root of 623163263 is about 24963.2382314475. The cubic root of 623163263 is about 854.1496112568.

The spelling of 623163263 in words is "six hundred twenty-three million, one hundred sixty-three thousand, two hundred sixty-three".