99623159 has 2 divisors, whose sum is σ = 99623160. Its totient is φ = 99623158.

The previous prime is 99623141. The next prime is 99623177. The reversal of 99623159 is 95132699.

It is a balanced prime because it is at equal distance from previous prime (99623141) and next prime (99623177).

It is a cyclic number.

It is not a de Polignac number, because 99623159 - 2¹² = 99619063 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99623659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49811579 + 49811580.

It is an arithmetic number, because the mean of its divisors is an integer number (49811580).

Almost surely, 2^99623159 is an apocalyptic number.

99623159 is a deficient number, since it is larger than the sum of its proper divisors (1).

99623159 is an equidigital number, since it uses as much as digits as its factorization.

99623159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 44.

The square root of 99623159 is about 9981.1401653318. The cubic root of 99623159 is about 463.5751024449.

The spelling of 99623159 in words is "ninety-nine million, six hundred twenty-three thousand, one hundred fifty-nine".