23133333131 has 8 divisors (see below), whose sum is σ = 24644262720. Its totient is φ = 21651742152.

The previous prime is 23133333127. The next prime is 23133333133. The reversal of 23133333131 is 13133333132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23133333131 - 2² = 23133333127 is a prime.

It is a super-2 number, since 2×23133333131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23133333131.

It is not an unprimeable number, because it can be changed into a prime (23133333133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7333025 + ... + 7336178.

It is an arithmetic number, because the mean of its divisors is an integer number (3080532840).

Almost surely, 2^23133333131 is an apocalyptic number.

23133333131 is a deficient number, since it is larger than the sum of its proper divisors (1510929589).

23133333131 is a wasteful number, since it uses less digits than its factorization.

23133333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14669305.

The product of its digits is 4374, while the sum is 26.

Adding to 23133333131 its reverse (13133333132), we get a palindrome (36266666263).

Subtracting from 23133333131 its reverse (13133333132), we obtain a palindrome (9999999999).

The spelling of 23133333131 in words is "twenty-three billion, one hundred thirty-three million, three hundred thirty-three thousand, one hundred thirty-one".