23313314227391 has 4 divisors (see below), whose sum is σ = 23753188080792. Its totient is φ = 22873440373992.

The previous prime is 23313314227387. The next prime is 23313314227417. The reversal of 23313314227391 is 19372241331332.

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 23313314227391 - 2² = 23313314227387 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 (23313314227331) 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, 219936926621 + ... + 219936926726.

It is an arithmetic number, because the mean of its divisors is an integer number (5938297020198).

Almost surely, 2^{23313314227391} is an apocalyptic number.

23313314227391 is a deficient number, since it is larger than the sum of its proper divisors (439873853401).

23313314227391 is an equidigital number, since it uses as much as digits as its factorization.

23313314227391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439873853400.

The product of its digits is 489888, while the sum is 44.

The spelling of 23313314227391 in words is "twenty-three trillion, three hundred thirteen billion, three hundred fourteen million, two hundred twenty-seven thousand, three hundred ninety-one".