99010123 has 4 divisors (see below), whose sum is σ = 101312728. Its totient is φ = 96707520.

The previous prime is 99010103. The next prime is 99010129. The reversal of 99010123 is 32101099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32101099 = 257 ⋅124907.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99010123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99010129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151238 + ... + 1151323.

It is an arithmetic number, because the mean of its divisors is an integer number (25328182).

Almost surely, 2^99010123 is an apocalyptic number.

99010123 is a deficient number, since it is larger than the sum of its proper divisors (2302605).

99010123 is a wasteful number, since it uses less digits than its factorization.

99010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302604.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 99010123 is about 9950.3830579531. The cubic root of 99010123 is about 462.6222679419.

The spelling of 99010123 in words is "ninety-nine million, ten thousand, one hundred twenty-three".