23498155013 has 4 divisors (see below), whose sum is σ = 23499991020. Its totient is φ = 23496319008.

The previous prime is 23498155001. The next prime is 23498155039. The reversal of 23498155013 is 31055189432.

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 10019409409 + 13478745604 = 100097^2 + 116098^2 .

It is a cyclic number.

It is not a de Polignac number, because 23498155013 - 2⁴ = 23498154997 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 (23498151013) 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, 898670 + ... + 924447.

It is an arithmetic number, because the mean of its divisors is an integer number (5874997755).

Almost surely, 2^23498155013 is an apocalyptic number.

It is an amenable number.

23498155013 is a deficient number, since it is larger than the sum of its proper divisors (1836007).

23498155013 is a wasteful number, since it uses less digits than its factorization.

23498155013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836006.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 23498155013 in words is "twenty-three billion, four hundred ninety-eight million, one hundred fifty-five thousand, thirteen".