23120012212043 has 4 divisors (see below), whose sum is σ = 23344478350128. Its totient is φ = 22895546073960.

The previous prime is 23120012211997. The next prime is 23120012212067. The reversal of 23120012212043 is 34021221002132.

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 23120012212043 - 2¹⁰ = 23120012211019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120012212243) 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, 112233068888 + ... + 112233069093.

It is an arithmetic number, because the mean of its divisors is an integer number (5836119587532).

Almost surely, 2^{23120012212043} is an apocalyptic number.

23120012212043 is a deficient number, since it is larger than the sum of its proper divisors (224466138085).

23120012212043 is a wasteful number, since it uses less digits than its factorization.

23120012212043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224466138084.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23120012212043 its reverse (34021221002132), we get a palindrome (57141233214175).

The spelling of 23120012212043 in words is "twenty-three trillion, one hundred twenty billion, twelve million, two hundred twelve thousand, forty-three".