23233203131 has 4 divisors (see below), whose sum is σ = 23799866664. Its totient is φ = 22666539600.

The previous prime is 23233203121. The next prime is 23233203151. The reversal of 23233203131 is 13130233232.

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 23233203131 - 2⁶ = 23233203067 is a prime.

It is a super-2 number, since 2×23233203131² (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 = 23233203097 and 23233203106.

It is not an unprimeable number, because it can be changed into a prime (23233203121) 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, 283331705 + ... + 283331786.

It is an arithmetic number, because the mean of its divisors is an integer number (5949966666).

Almost surely, 2^23233203131 is an apocalyptic number.

23233203131 is a deficient number, since it is larger than the sum of its proper divisors (566663533).

23233203131 is an equidigital number, since it uses as much as digits as its factorization.

23233203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566663532.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23233203131 its reverse (13130233232), we get a palindrome (36363436363).

The spelling of 23233203131 in words is "twenty-three billion, two hundred thirty-three million, two hundred three thousand, one hundred thirty-one".