228660023 has 2 divisors, whose sum is σ = 228660024. Its totient is φ = 228660022.

The previous prime is 228660007. The next prime is 228660059. The reversal of 228660023 is 320066822.

228660023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228660023 - 2⁴ = 228660007 is a prime.

It is a super-2 number, since 2×228660023² = 104570812236721058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228660323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114330011 + 114330012.

It is an arithmetic number, because the mean of its divisors is an integer number (114330012).

Almost surely, 2^228660023 is an apocalyptic number.

228660023 is a deficient number, since it is larger than the sum of its proper divisors (1).

228660023 is an equidigital number, since it uses as much as digits as its factorization.

228660023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 228660023 is about 15121.5086218274. The cubic root of 228660023 is about 611.5004030362.

The spelling of 228660023 in words is "two hundred twenty-eight million, six hundred sixty thousand, twenty-three".