23311033314421 has 4 divisors (see below), whose sum is σ = 23311269921952. Its totient is φ = 23310796706892.

The previous prime is 23311033314397. The next prime is 23311033314493. The reversal of 23311033314421 is 12441333011332.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23311033314421 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 (23311033714421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118155921 + ... + 118353046.

It is an arithmetic number, because the mean of its divisors is an integer number (5827817480488).

Almost surely, 2^{23311033314421} is an apocalyptic number.

It is an amenable number.

23311033314421 is a deficient number, since it is larger than the sum of its proper divisors (236607531).

23311033314421 is an equidigital number, since it uses as much as digits as its factorization.

23311033314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236607530.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 23311033314421 its reverse (12441333011332), we get a palindrome (35752366325753).

The spelling of 23311033314421 in words is "twenty-three trillion, three hundred eleven billion, thirty-three million, three hundred fourteen thousand, four hundred twenty-one".