23313132091 has 2 divisors, whose sum is σ = 23313132092. Its totient is φ = 23313132090.

The previous prime is 23313132079. The next prime is 23313132119. The reversal of 23313132091 is 19023131332.

It is an a-pointer prime, because the next prime (23313132119) can be obtained adding 23313132091 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23313132091 - 2⁹ = 23313131579 is a prime.

It is not a weakly prime, because it can be changed into another prime (23313132001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656566045 + 11656566046.

It is an arithmetic number, because the mean of its divisors is an integer number (11656566046).

Almost surely, 2^23313132091 is an apocalyptic number.

23313132091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313132091 is an equidigital number, since it uses as much as digits as its factorization.

23313132091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 23313132091 in words is "twenty-three billion, three hundred thirteen million, one hundred thirty-two thousand, ninety-one".