23001323111 has 8 divisors (see below), whose sum is σ = 24878827680. Its totient is φ = 21139271712.

The previous prime is 23001323083. The next prime is 23001323161. The reversal of 23001323111 is 11132310032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23001323111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23001323111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001323161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3860195 + ... + 3866148.

It is an arithmetic number, because the mean of its divisors is an integer number (3109853460).

Almost surely, 2^23001323111 is an apocalyptic number.

23001323111 is a deficient number, since it is larger than the sum of its proper divisors (1877504569).

23001323111 is a wasteful number, since it uses less digits than its factorization.

23001323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726585.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23001323111 its reverse (11132310032), we get a palindrome (34133633143).

The spelling of 23001323111 in words is "twenty-three billion, one million, three hundred twenty-three thousand, one hundred eleven".