23130133331 has 4 divisors (see below), whose sum is σ = 23143749000. Its totient is φ = 23116517664.

The previous prime is 23130133289. The next prime is 23130133339. The reversal of 23130133331 is 13333103132.

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 23130133331 - 2⁶ = 23130133267 is a prime.

It is a super-2 number, since 2×23130133331² (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 = 23130133297 and 23130133306.

It is not an unprimeable number, because it can be changed into a prime (23130133339) 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, 6805286 + ... + 6808683.

It is an arithmetic number, because the mean of its divisors is an integer number (5785937250).

Almost surely, 2^23130133331 is an apocalyptic number.

23130133331 is a deficient number, since it is larger than the sum of its proper divisors (13615669).

23130133331 is a wasteful number, since it uses less digits than its factorization.

23130133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13615668.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 23130133331 its reverse (13333103132), we get a palindrome (36463236463).

The spelling of 23130133331 in words is "twenty-three billion, one hundred thirty million, one hundred thirty-three thousand, three hundred thirty-one".