23033331331 has 4 divisors (see below), whose sum is σ = 24388233192. Its totient is φ = 21678429472.

The previous prime is 23033331319. The next prime is 23033331389. The reversal of 23033331331 is 13313333032.

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 23033331331 - 2⁷ = 23033331203 is a prime.

It is a super-2 number, since 2×23033331331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23033331296 and 23033331305.

It is not an unprimeable number, because it can be changed into a prime (23033331311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677450905 + ... + 677450938.

It is an arithmetic number, because the mean of its divisors is an integer number (6097058298).

Almost surely, 2^23033331331 is an apocalyptic number.

23033331331 is a deficient number, since it is larger than the sum of its proper divisors (1354901861).

23033331331 is a wasteful number, since it uses less digits than its factorization.

23033331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354901860.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 23033331331 its reverse (13313333032), we get a palindrome (36346664363).

The spelling of 23033331331 in words is "twenty-three billion, thirty-three million, three hundred thirty-one thousand, three hundred thirty-one".