99073017123 has 8 divisors (see below), whose sum is σ = 132907770048. Its totient is φ = 65643471144.

The previous prime is 99073017103. The next prime is 99073017139. The reversal of 99073017123 is 32171037099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99073017123 - 2¹² = 99073013027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99073017103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101301165 + ... + 101302142.

It is an arithmetic number, because the mean of its divisors is an integer number (16613471256).

Almost surely, 2^99073017123 is an apocalyptic number.

99073017123 is a deficient number, since it is larger than the sum of its proper divisors (33834752925).

99073017123 is a wasteful number, since it uses less digits than its factorization.

99073017123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202603473.

The product of its (nonzero) digits is 71442, while the sum is 42.

It can be divided in two parts, 9907 and 3017123, that added together give a triangular number (3027030 = T₂₄₆₀).

The spelling of 99073017123 in words is "ninety-nine billion, seventy-three million, seventeen thousand, one hundred twenty-three".