99231403 has 8 divisors (see below), whose sum is σ = 102803456. Its totient is φ = 95682600.

The previous prime is 99231383. The next prime is 99231409. The reversal of 99231403 is 30413299.

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

It is a cyclic number.

It is not a de Polignac number, because 99231403 - 2⁹ = 99230891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99231409) 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, 3118 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (12850432).

Almost surely, 2^99231403 is an apocalyptic number.

99231403 is a deficient number, since it is larger than the sum of its proper divisors (3572053).

99231403 is a wasteful number, since it uses less digits than its factorization.

99231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 99231403 is about 9961.4960221846. The cubic root of 99231403 is about 462.9666532248.

The spelling of 99231403 in words is "ninety-nine million, two hundred thirty-one thousand, four hundred three".