228576278023 has 4 divisors (see below), whose sum is σ = 228579060240. Its totient is φ = 228573495808.

The previous prime is 228576278017. The next prime is 228576278041. The reversal of 228576278023 is 320872675822.

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 228576278023 - 2²⁹ = 228039407111 is a prime.

It is a super-2 number, since 2×228576278023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228576278053) 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, 1264003 + ... + 1433476.

It is an arithmetic number, because the mean of its divisors is an integer number (57144765060).

Almost surely, 2^228576278023 is an apocalyptic number.

228576278023 is a deficient number, since it is larger than the sum of its proper divisors (2782217).

228576278023 is an equidigital number, since it uses as much as digits as its factorization.

228576278023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782216.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 228576278023 in words is "two hundred twenty-eight billion, five hundred seventy-six million, two hundred seventy-eight thousand, twenty-three".