2321451193 has 4 divisors (see below), whose sum is σ = 2321565840. Its totient is φ = 2321336548.

The previous prime is 2321451149. The next prime is 2321451227. The reversal of 2321451193 is 3911541232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321451193 is a prime.

It is a super-2 number, since 2×2321451193² = 10778271282962246498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321451113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17923 + ... + 70456.

It is an arithmetic number, because the mean of its divisors is an integer number (580391460).

Almost surely, 2^2321451193 is an apocalyptic number.

It is an amenable number.

2321451193 is a deficient number, since it is larger than the sum of its proper divisors (114647).

2321451193 is an equidigital number, since it uses as much as digits as its factorization.

2321451193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114646.

The product of its digits is 6480, while the sum is 31.

The square root of 2321451193 is about 48181.4403375408. The cubic root of 2321451193 is about 1324.0971550679.

The spelling of 2321451193 in words is "two billion, three hundred twenty-one million, four hundred fifty-one thousand, one hundred ninety-three".