23133333331 has 2 divisors, whose sum is σ = 23133333332. Its totient is φ = 23133333330.

The previous prime is 23133333259. The next prime is 23133333341. The reversal of 23133333331 is 13333333132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23133333331 - 2¹³ = 23133325139 is a prime.

It is a super-2 number, since 2×23133333331² (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 23133333331.

It is not a weakly prime, because it can be changed into another prime (23133333341) 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 as a sum of consecutive naturals, namely, 11566666665 + 11566666666.

It is an arithmetic number, because the mean of its divisors is an integer number (11566666666).

Almost surely, 2^23133333331 is an apocalyptic number.

23133333331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133333331 is an equidigital number, since it uses as much as digits as its factorization.

23133333331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 28.

Adding to 23133333331 its reverse (13333333132), we get a palindrome (36466666463).

The spelling of 23133333331 in words is "twenty-three billion, one hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-one".