23111323132099 has 4 divisors (see below), whose sum is σ = 23427916599736. Its totient is φ = 22794729664464.

The previous prime is 23111323132091. The next prime is 23111323132147. The reversal of 23111323132099 is 99023132311132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23111323132099 - 2³ = 23111323132091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23111323132091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158296733709 + ... + 158296733854.

It is an arithmetic number, because the mean of its divisors is an integer number (5856979149934).

Almost surely, 2^{23111323132099} is an apocalyptic number.

23111323132099 is a deficient number, since it is larger than the sum of its proper divisors (316593467637).

23111323132099 is an equidigital number, since it uses as much as digits as its factorization.

23111323132099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316593467636.

The product of its (nonzero) digits is 52488, while the sum is 40.

The spelling of 23111323132099 in words is "twenty-three trillion, one hundred eleven billion, three hundred twenty-three million, one hundred thirty-two thousand, ninety-nine".