23133020311 has 2 divisors, whose sum is σ = 23133020312. Its totient is φ = 23133020310.

The previous prime is 23133020299. The next prime is 23133020321. The reversal of 23133020311 is 11302033132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23133020311 - 2²¹ = 23130923159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133020321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566510155 + 11566510156.

It is an arithmetic number, because the mean of its divisors is an integer number (11566510156).

Almost surely, 2^23133020311 is an apocalyptic number.

23133020311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133020311 is an equidigital number, since it uses as much as digits as its factorization.

23133020311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23133020311 its reverse (11302033132), we get a palindrome (34435053443).

The spelling of 23133020311 in words is "twenty-three billion, one hundred thirty-three million, twenty thousand, three hundred eleven".