23011113213 has 12 divisors (see below), whose sum is σ = 36259936128. Its totient is φ = 13946129160.

The previous prime is 23011113193. The next prime is 23011113221. The reversal of 23011113213 is 31231111032.

23011113213 is a `hidden beast` number, since 230 + 1 + 111 + 321 + 3 = 666.

It is not a de Polignac number, because 23011113213 - 2⁹ = 23011112701 is a prime.

It is a super-2 number, since 2×23011113213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011113233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116217645 + ... + 116217842.

It is an arithmetic number, because the mean of its divisors is an integer number (3021661344).

Almost surely, 2^23011113213 is an apocalyptic number.

It is an amenable number.

23011113213 is a deficient number, since it is larger than the sum of its proper divisors (13248822915).

23011113213 is a wasteful number, since it uses less digits than its factorization.

23011113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232435504 (or 232435501 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23011113213 its reverse (31231111032), we get a palindrome (54242224245).

It can be divided in two parts, 2301111 and 3213, that added together give a square (2304324 = 1518²).

The spelling of 23011113213 in words is "twenty-three billion, eleven million, one hundred thirteen thousand, two hundred thirteen".