99107623 has 4 divisors (see below), whose sum is σ = 99621328. Its totient is φ = 98593920.

The previous prime is 99107611. The next prime is 99107627. The reversal of 99107623 is 32670199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99107623 - 2⁹ = 99107111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99107627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256563 + ... + 256948.

It is an arithmetic number, because the mean of its divisors is an integer number (24905332).

Almost surely, 2^99107623 is an apocalyptic number.

99107623 is a deficient number, since it is larger than the sum of its proper divisors (513705).

99107623 is a wasteful number, since it uses less digits than its factorization.

99107623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513704.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 99107623 is about 9955.2811612731. The cubic root of 99107623 is about 462.7740735416.

The spelling of 99107623 in words is "ninety-nine million, one hundred seven thousand, six hundred twenty-three".