23333223131 has 2 divisors, whose sum is σ = 23333223132. Its totient is φ = 23333223130.

The previous prime is 23333223101. The next prime is 23333223143. The reversal of 23333223131 is 13132233332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23333223131 is a prime.

It is a super-2 number, since 2×23333223131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23333223131.

It is not a weakly prime, because it can be changed into another prime (23333223101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666611565 + 11666611566.

It is an arithmetic number, because the mean of its divisors is an integer number (11666611566).

Almost surely, 2^23333223131 is an apocalyptic number.

23333223131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23333223131 is an equidigital number, since it uses as much as digits as its factorization.

23333223131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 26.

Adding to 23333223131 its reverse (13132233332), we get a palindrome (36465456463).

The spelling of 23333223131 in words is "twenty-three billion, three hundred thirty-three million, two hundred twenty-three thousand, one hundred thirty-one".