23313312332987 has 4 divisors (see below), whose sum is σ = 23352626519640. Its totient is φ = 23273998146336.

The previous prime is 23313312332971. The next prime is 23313312333029. The reversal of 23313312332987 is 78923321331332.

It is a happy number.

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 23313312332987 - 2⁴ = 23313312332971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23313362332987) 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, 19657092437 + ... + 19657093622.

It is an arithmetic number, because the mean of its divisors is an integer number (5838156629910).

Almost surely, 2^{23313312332987} is an apocalyptic number.

23313312332987 is a deficient number, since it is larger than the sum of its proper divisors (39314186653).

23313312332987 is an equidigital number, since it uses as much as digits as its factorization.

23313312332987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39314186652.

The product of its digits is 2939328, while the sum is 50.

The spelling of 23313312332987 in words is "twenty-three trillion, three hundred thirteen billion, three hundred twelve million, three hundred thirty-two thousand, nine hundred eighty-seven".