23232544091 has 2 divisors, whose sum is σ = 23232544092. Its totient is φ = 23232544090.

The previous prime is 23232544087. The next prime is 23232544141. The reversal of 23232544091 is 19044523232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23232544091 - 2² = 23232544087 is a prime.

It is a super-2 number, since 2×23232544091² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23232544021) 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, 11616272045 + 11616272046.

It is an arithmetic number, because the mean of its divisors is an integer number (11616272046).

Almost surely, 2^23232544091 is an apocalyptic number.

23232544091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23232544091 is an equidigital number, since it uses as much as digits as its factorization.

23232544091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 23232544091 in words is "twenty-three billion, two hundred thirty-two million, five hundred forty-four thousand, ninety-one".