23132203091 has 2 divisors, whose sum is σ = 23132203092. Its totient is φ = 23132203090.

The previous prime is 23132203079. The next prime is 23132203099. The reversal of 23132203091 is 19030223132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23132203091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23132203091.

It is not a weakly prime, because it can be changed into another prime (23132203099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566101545 + 11566101546.

It is an arithmetic number, because the mean of its divisors is an integer number (11566101546).

Almost surely, 2^23132203091 is an apocalyptic number.

23132203091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132203091 is an equidigital number, since it uses as much as digits as its factorization.

23132203091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 23132203091 in words is "twenty-three billion, one hundred thirty-two million, two hundred three thousand, ninety-one".