23203111031013 has 32 divisors (see below), whose sum is σ = 31359402297216. Its totient is φ = 15259291757568.

The previous prime is 23203111030963. The next prime is 23203111031099. The reversal of 23203111031013 is 31013011130232.

It is a happy number.

It is not a de Polignac number, because 23203111031013 - 2³⁷ = 23065672077541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203111731013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141199545 + ... + 141363777.

It is an arithmetic number, because the mean of its divisors is an integer number (979981321788).

Almost surely, 2^{23203111031013} is an apocalyptic number.

It is an amenable number.

23203111031013 is a deficient number, since it is larger than the sum of its proper divisors (8156291266203).

23203111031013 is a wasteful number, since it uses less digits than its factorization.

23203111031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166533.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 23203111031013 its reverse (31013011130232), we get a palindrome (54216122161245).

The spelling of 23203111031013 in words is "twenty-three trillion, two hundred three billion, one hundred eleven million, thirty-one thousand, thirteen".