228580072923 has 4 divisors (see below), whose sum is σ = 304773430568. Its totient is φ = 152386715280.

The previous prime is 228580072879. The next prime is 228580072961. The reversal of 228580072923 is 329270085822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 228580072923 - 2²⁴ = 228563295707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228584072923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38096678818 + ... + 38096678823.

It is an arithmetic number, because the mean of its divisors is an integer number (76193357642).

Almost surely, 2^228580072923 is an apocalyptic number.

228580072923 is a deficient number, since it is larger than the sum of its proper divisors (76193357645).

228580072923 is an equidigital number, since it uses as much as digits as its factorization.

228580072923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76193357644.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 228580072923 in words is "two hundred twenty-eight billion, five hundred eighty million, seventy-two thousand, nine hundred twenty-three".