99601123 has 2 divisors, whose sum is σ = 99601124. Its totient is φ = 99601122.

The previous prime is 99601093. The next prime is 99601129. The reversal of 99601123 is 32110699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99601123 - 2²⁵ = 66046691 is a prime.

It is a super-2 number, since 2×99601123² = 19840767405722258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99601129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49800561 + 49800562.

It is an arithmetic number, because the mean of its divisors is an integer number (49800562).

Almost surely, 2^99601123 is an apocalyptic number.

99601123 is a deficient number, since it is larger than the sum of its proper divisors (1).

99601123 is an equidigital number, since it uses as much as digits as its factorization.

99601123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 99601123 is about 9980.0362223792. The cubic root of 99601123 is about 463.5409199839.

The spelling of 99601123 in words is "ninety-nine million, six hundred one thousand, one hundred twenty-three".