23001311311 has 8 divisors (see below), whose sum is σ = 25131129984. Its totient is φ = 20877957720.

The previous prime is 23001311279. The next prime is 23001311323. The reversal of 23001311311 is 11311310032.

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

It is a cyclic number.

It is not a de Polignac number, because 23001311311 - 2⁵ = 23001311279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001311351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608825 + ... + 1623058.

It is an arithmetic number, because the mean of its divisors is an integer number (3141391248).

Almost surely, 2^23001311311 is an apocalyptic number.

23001311311 is a deficient number, since it is larger than the sum of its proper divisors (2129818673).

23001311311 is a wasteful number, since it uses less digits than its factorization.

23001311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232541.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 23001311311 its reverse (11311310032), we get a palindrome (34312621343).

The spelling of 23001311311 in words is "twenty-three billion, one million, three hundred eleven thousand, three hundred eleven".