228716723 has 2 divisors, whose sum is σ = 228716724. Its totient is φ = 228716722.

The previous prime is 228716717. The next prime is 228716767. The reversal of 228716723 is 327617822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228716723 - 2⁶ = 228716659 is a prime.

It is a super-2 number, since 2×228716723² = 104622678759717458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228716123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114358361 + 114358362.

It is an arithmetic number, because the mean of its divisors is an integer number (114358362).

Almost surely, 2^228716723 is an apocalyptic number.

228716723 is a deficient number, since it is larger than the sum of its proper divisors (1).

228716723 is an equidigital number, since it uses as much as digits as its factorization.

228716723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 228716723 is about 15123.3833185567. The cubic root of 228716723 is about 611.5509427078.

The spelling of 228716723 in words is "two hundred twenty-eight million, seven hundred sixteen thousand, seven hundred twenty-three".