623064503 has 4 divisors (see below), whose sum is σ = 650154288. Its totient is φ = 595974720.

The previous prime is 623064487. The next prime is 623064529. The reversal of 623064503 is 305460326.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305460326 = 2 ⋅152730163.

It is a cyclic number.

It is not a de Polignac number, because 623064503 - 2⁴ = 623064487 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 (623064583) 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, 13544858 + ... + 13544903.

It is an arithmetic number, because the mean of its divisors is an integer number (162538572).

Almost surely, 2^623064503 is an apocalyptic number.

623064503 is a deficient number, since it is larger than the sum of its proper divisors (27089785).

623064503 is a wasteful number, since it uses less digits than its factorization.

623064503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27089784.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 623064503 is about 24961.2600443167. The cubic root of 623064503 is about 854.1044864999.

The spelling of 623064503 in words is "six hundred twenty-three million, sixty-four thousand, five hundred three".