23311311120311 has 4 divisors (see below), whose sum is σ = 23433359869824. Its totient is φ = 23189262370800.

The previous prime is 23311311120299. The next prime is 23311311120367. The reversal of 23311311120311 is 11302111311332.

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 23311311120311 - 2⁶ = 23311311120247 is a prime.

It is a super-2 number, since 2×23311311120311² (a number of 28 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 (23311311140311) 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, 61024374470 + ... + 61024374851.

It is an arithmetic number, because the mean of its divisors is an integer number (5858339967456).

Almost surely, 2^{23311311120311} is an apocalyptic number.

23311311120311 is a deficient number, since it is larger than the sum of its proper divisors (122048749513).

23311311120311 is a wasteful number, since it uses less digits than its factorization.

23311311120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122048749512.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 23311311120311 its reverse (11302111311332), we get a palindrome (34613422431643).

The spelling of 23311311120311 in words is "twenty-three trillion, three hundred eleven billion, three hundred eleven million, one hundred twenty thousand, three hundred eleven".