23040000013 has 8 divisors (see below), whose sum is σ = 24045193728. Its totient is φ = 22035094224.

The previous prime is 23039999933. The next prime is 23040000029. The reversal of 23040000013 is 31000004032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23040000013 - 2⁹ = 23039999501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23039999948 and 23040000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040000083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100356 + ... + 236962.

It is an arithmetic number, because the mean of its divisors is an integer number (3005649216).

Almost surely, 2^23040000013 is an apocalyptic number.

23040000013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23040000013 is a deficient number, since it is larger than the sum of its proper divisors (1005193715).

23040000013 is a wasteful number, since it uses less digits than its factorization.

23040000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143963.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23040000013 its reverse (31000004032), we get a palindrome (54040004045).

The spelling of 23040000013 in words is "twenty-three billion, forty million, thirteen", and thus it is an aban number and an uban number.