23001033013 has 12 divisors (see below), whose sum is σ = 26759370252. Its totient is φ = 19712911680.

The previous prime is 23001032993. The next prime is 23001033023. The reversal of 23001033013 is 31033010032.

It can be written as a sum of positive squares in 2 ways, for example, as 17700173764 + 5300859249 = 133042^2 + 72807^2 .

It is not a de Polignac number, because 23001033013 - 2¹³ = 23001024821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001033023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515473 + ... + 558313.

It is an arithmetic number, because the mean of its divisors is an integer number (2229947521).

Almost surely, 2^23001033013 is an apocalyptic number.

It is an amenable number.

23001033013 is a deficient number, since it is larger than the sum of its proper divisors (3758337239).

23001033013 is a wasteful number, since it uses less digits than its factorization.

23001033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53812 (or 53805 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 23001033013 its reverse (31033010032), we get a palindrome (54034043045).

The spelling of 23001033013 in words is "twenty-three billion, one million, thirty-three thousand, thirteen".