23133311311091 has 2 divisors, whose sum is σ = 23133311311092. Its totient is φ = 23133311311090.

The previous prime is 23133311311081. The next prime is 23133311311171. The reversal of 23133311311091 is 19011311333132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23133311311091 is a prime.

It is a super-2 number, since 2×23133311311091² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23133311311031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566655655545 + 11566655655546.

It is an arithmetic number, because the mean of its divisors is an integer number (11566655655546).

Almost surely, 2^{23133311311091} is an apocalyptic number.

23133311311091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133311311091 is an equidigital number, since it uses as much as digits as its factorization.

23133311311091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 23133311311091 in words is "twenty-three trillion, one hundred thirty-three billion, three hundred eleven million, three hundred eleven thousand, ninety-one".