23013311311 has 8 divisors (see below), whose sum is σ = 24574838400. Its totient is φ = 21502981920.

The previous prime is 23013311303. The next prime is 23013311327. The reversal of 23013311311 is 11311331032.

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 23013311311 - 2³ = 23013311303 is a prime.

It is a super-2 number, since 2×23013311311² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013711311) 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, 12798496 + ... + 12800293.

It is an arithmetic number, because the mean of its divisors is an integer number (3071854800).

Almost surely, 2^23013311311 is an apocalyptic number.

23013311311 is a deficient number, since it is larger than the sum of its proper divisors (1561527089).

23013311311 is a wasteful number, since it uses less digits than its factorization.

23013311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25598849.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 23013311311 its reverse (11311331032), we get a palindrome (34324642343).

The spelling of 23013311311 in words is "twenty-three billion, thirteen million, three hundred eleven thousand, three hundred eleven".