233123022091 has 2 divisors, whose sum is σ = 233123022092. Its totient is φ = 233123022090.

The previous prime is 233123022089. The next prime is 233123022151. The reversal of 233123022091 is 190220321332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233123022091 - 2¹ = 233123022089 is a prime.

Together with 233123022089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (233123022001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116561511045 + 116561511046.

It is an arithmetic number, because the mean of its divisors is an integer number (116561511046).

Almost surely, 2^233123022091 is an apocalyptic number.

233123022091 is a deficient number, since it is larger than the sum of its proper divisors (1).

233123022091 is an equidigital number, since it uses as much as digits as its factorization.

233123022091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

It can be divided in two parts, 23312 and 3022091, that added together give a palindrome (3045403).

The spelling of 233123022091 in words is "two hundred thirty-three billion, one hundred twenty-three million, twenty-two thousand, ninety-one".