228123185807 has 32 divisors (see below), whose sum is σ = 255752640000. Its totient is φ = 201730636800.

The previous prime is 228123185789. The next prime is 228123185839. The reversal of 228123185807 is 708581321822.

It is not a de Polignac number, because 228123185807 - 2²⁶ = 228056076943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228123185887) 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, 34681703 + ... + 34688279.

It is an arithmetic number, because the mean of its divisors is an integer number (7992270000).

Almost surely, 2^228123185807 is an apocalyptic number.

228123185807 is a deficient number, since it is larger than the sum of its proper divisors (27629454193).

228123185807 is a wasteful number, since it uses less digits than its factorization.

228123185807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 228123185807 in words is "two hundred twenty-eight billion, one hundred twenty-three million, one hundred eighty-five thousand, eight hundred seven".