228507023 has 2 divisors, whose sum is σ = 228507024. Its totient is φ = 228507022.

The previous prime is 228507011. The next prime is 228507029. The reversal of 228507023 is 320705822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228507023 - 2⁴ = 228507007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228507029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114253511 + 114253512.

It is an arithmetic number, because the mean of its divisors is an integer number (114253512).

Almost surely, 2^228507023 is an apocalyptic number.

228507023 is a deficient number, since it is larger than the sum of its proper divisors (1).

228507023 is an equidigital number, since it uses as much as digits as its factorization.

228507023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 228507023 is about 15116.4487562390. The cubic root of 228507023 is about 611.3639844418.

The spelling of 228507023 in words is "two hundred twenty-eight million, five hundred seven thousand, twenty-three".