99123554 has 8 divisors (see below), whose sum is σ = 153481728. Its totient is φ = 47962980.

The previous prime is 99123553. The next prime is 99123601. The reversal of 99123554 is 45532199.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99123553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799322 + ... + 799445.

It is an arithmetic number, because the mean of its divisors is an integer number (19185216).

Almost surely, 2^99123554 is an apocalyptic number.

99123554 is a deficient number, since it is larger than the sum of its proper divisors (54358174).

99123554 is a wasteful number, since it uses less digits than its factorization.

99123554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598800.

The product of its digits is 48600, while the sum is 38.

The square root of 99123554 is about 9956.0812572016. The cubic root of 99123554 is about 462.7988683339.

The spelling of 99123554 in words is "ninety-nine million, one hundred twenty-three thousand, five hundred fifty-four".