23112002113 has 4 divisors (see below), whose sum is σ = 23371687620. Its totient is φ = 22852316608.

The previous prime is 23112002101. The next prime is 23112002161. The reversal of 23112002113 is 31120021132.

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 9986404624 + 13125597489 = 99932^2 + 114567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23112002113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23112000113) 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, 129842620 + ... + 129842797.

It is an arithmetic number, because the mean of its divisors is an integer number (5842921905).

Almost surely, 2^23112002113 is an apocalyptic number.

It is an amenable number.

23112002113 is a deficient number, since it is larger than the sum of its proper divisors (259685507).

23112002113 is an equidigital number, since it uses as much as digits as its factorization.

23112002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259685506.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23112002113 its reverse (31120021132), we get a palindrome (54232023245).

It can be divided in two parts, 2 and 3112002113, that multiplied together give a palindrome (6224004226).

The spelling of 23112002113 in words is "twenty-three billion, one hundred twelve million, two thousand, one hundred thirteen".