23001232011331 has 4 divisors (see below), whose sum is σ = 26287122298672. Its totient is φ = 19715341723992.

The previous prime is 23001232011323. The next prime is 23001232011343. The reversal of 23001232011331 is 13311023210032.

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 23001232011331 - 2³ = 23001232011323 is a prime.

It is a super-3 number, since 3×23001232011331³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23001232011361) 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, 1642945143660 + ... + 1642945143673.

It is an arithmetic number, because the mean of its divisors is an integer number (6571780574668).

Almost surely, 2^{23001232011331} is an apocalyptic number.

23001232011331 is a deficient number, since it is larger than the sum of its proper divisors (3285890287341).

23001232011331 is an equidigital number, since it uses as much as digits as its factorization.

23001232011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285890287340.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23001232011331 its reverse (13311023210032), we get a palindrome (36312255221363).

The spelling of 23001232011331 in words is "twenty-three trillion, one billion, two hundred thirty-two million, eleven thousand, three hundred thirty-one".