103323991 has 8 divisors (see below), whose sum is σ = 104215680. Its totient is φ = 102436152.

The previous prime is 103323973. The next prime is 103324003. The reversal of 103323991 is 199323301.

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 103323991 - 2²⁵ = 69769559 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 (103323911) 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 7 ways as a sum of consecutive naturals, for example, 78646 + ... + 79948.

It is an arithmetic number, because the mean of its divisors is an integer number (13026960).

Almost surely, 2^103323991 is an apocalyptic number.

103323991 is a deficient number, since it is larger than the sum of its proper divisors (891689).

103323991 is a wasteful number, since it uses less digits than its factorization.

103323991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 103323991 is about 10164.8409234970. The cubic root of 103323991 is about 469.2457965729.

The spelling of 103323991 in words is "one hundred three million, three hundred twenty-three thousand, nine hundred ninety-one".