99723017 has 2 divisors, whose sum is σ = 99723018. Its totient is φ = 99723016.

The previous prime is 99723011. The next prime is 99723061. The reversal of 99723017 is 71032799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85914361 + 13808656 = 9269^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 99723017 - 2⁸ = 99722761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99723011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49861508 + 49861509.

It is an arithmetic number, because the mean of its divisors is an integer number (49861509).

Almost surely, 2^99723017 is an apocalyptic number.

It is an amenable number.

99723017 is a deficient number, since it is larger than the sum of its proper divisors (1).

99723017 is an equidigital number, since it uses as much as digits as its factorization.

99723017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 99723017 is about 9986.1412467479. The cubic root of 99723017 is about 463.7299400172.

The spelling of 99723017 in words is "ninety-nine million, seven hundred twenty-three thousand, seventeen".