23228573285 has 12 divisors (see below), whose sum is σ = 28062753348. Its totient is φ = 18458053248.

The previous prime is 23228573257. The next prime is 23228573299. The reversal of 23228573285 is 58237582232.

It can be written as a sum of positive squares in 6 ways, for example, as 8253177409 + 14975395876 = 90847^2 + 122374^2 .

It is not a de Polignac number, because 23228573285 - 2¹⁰ = 23228572261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6377 + ... + 215633.

It is an arithmetic number, because the mean of its divisors is an integer number (2338562779).

Almost surely, 2^23228573285 is an apocalyptic number.

It is an amenable number.

23228573285 is a deficient number, since it is larger than the sum of its proper divisors (4834180063).

23228573285 is an equidigital number, since it uses as much as digits as its factorization.

23228573285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209560 (or 209411 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The spelling of 23228573285 in words is "twenty-three billion, two hundred twenty-eight million, five hundred seventy-three thousand, two hundred eighty-five".