23012213113 has 4 divisors (see below), whose sum is σ = 23014486260. Its totient is φ = 23009939968.

The previous prime is 23012213053. The next prime is 23012213117. The reversal of 23012213113 is 31131221032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22499100009 + 513113104 = 149997^2 + 22652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23012213113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23012213117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121320 + ... + 1141657.

It is an arithmetic number, because the mean of its divisors is an integer number (5753621565).

Almost surely, 2^23012213113 is an apocalyptic number.

It is an amenable number.

23012213113 is a deficient number, since it is larger than the sum of its proper divisors (2273147).

23012213113 is a wasteful number, since it uses less digits than its factorization.

23012213113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273146.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23012213113 its reverse (31131221032), we get a palindrome (54143434145).

The spelling of 23012213113 in words is "twenty-three billion, twelve million, two hundred thirteen thousand, one hundred thirteen".