23031242323013 has 4 divisors (see below), whose sum is σ = 23066085352908. Its totient is φ = 22996399293120.

The previous prime is 23031242322997. The next prime is 23031242323021. The reversal of 23031242323013 is 31032324213032.

It is a happy number.

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 18667083173764 + 4364159149249 = 4320542^2 + 2089057^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031242323013 - 2⁴ = 23031242322997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031242323093) 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, 17421513956 + ... + 17421515277.

It is an arithmetic number, because the mean of its divisors is an integer number (5766521338227).

Almost surely, 2^{23031242323013} is an apocalyptic number.

It is an amenable number.

23031242323013 is a deficient number, since it is larger than the sum of its proper divisors (34843029895).

23031242323013 is an equidigital number, since it uses as much as digits as its factorization.

23031242323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34843029894.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 23031242323013 its reverse (31032324213032), we get a palindrome (54063566536045).

The spelling of 23031242323013 in words is "twenty-three trillion, thirty-one billion, two hundred forty-two million, three hundred twenty-three thousand, thirteen".