656200023 has 32 divisors (see below), whose sum is σ = 919296000. Its totient is φ = 415825536.

The previous prime is 656200019. The next prime is 656200031. The reversal of 656200023 is 320002656.

It is not a de Polignac number, because 656200023 - 2² = 656200019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 656199966 and 656200002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656200423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2890636 + ... + 2890862.

It is an arithmetic number, because the mean of its divisors is an integer number (28728000).

Almost surely, 2^656200023 is an apocalyptic number.

656200023 is a deficient number, since it is larger than the sum of its proper divisors (263095977).

656200023 is a wasteful number, since it uses less digits than its factorization.

656200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 656200023 is about 25616.4014451679. The cubic root of 656200023 is about 868.9846008034.

Adding to 656200023 its reverse (320002656), we get a palindrome (976202679).

The spelling of 656200023 in words is "six hundred fifty-six million, two hundred thousand, twenty-three".