623256241 has 4 divisors (see below), whose sum is σ = 623503872. Its totient is φ = 623008612.

The previous prime is 623256229. The next prime is 623256289. The reversal of 623256241 is 142652326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142652326 = 2 ⋅71326163.

It is a cyclic number.

It is not a de Polignac number, because 623256241 - 2⁷ = 623256113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623256041) 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, 120001 + ... + 125086.

It is an arithmetic number, because the mean of its divisors is an integer number (155875968).

Almost surely, 2^623256241 is an apocalyptic number.

It is an amenable number.

623256241 is a deficient number, since it is larger than the sum of its proper divisors (247631).

623256241 is a wasteful number, since it uses less digits than its factorization.

623256241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247630.

The product of its digits is 17280, while the sum is 31.

The square root of 623256241 is about 24965.1004604428. The cubic root of 623256241 is about 854.1920897841.

The spelling of 623256241 in words is "six hundred twenty-three million, two hundred fifty-six thousand, two hundred forty-one".