23356734613 has 4 divisors (see below), whose sum is σ = 23359927968. Its totient is φ = 23353541260.

The previous prime is 23356734601. The next prime is 23356734619. The reversal of 23356734613 is 31643765332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23356734613 is a prime.

It is a super-2 number, since 2×23356734613² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23356734613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23356734619) 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, 1585681 + ... + 1600342.

It is an arithmetic number, because the mean of its divisors is an integer number (5839981992).

Almost surely, 2^23356734613 is an apocalyptic number.

It is an amenable number.

23356734613 is a deficient number, since it is larger than the sum of its proper divisors (3193355).

23356734613 is an equidigital number, since it uses as much as digits as its factorization.

23356734613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193354.

The product of its digits is 816480, while the sum is 43.

The spelling of 23356734613 in words is "twenty-three billion, three hundred fifty-six million, seven hundred thirty-four thousand, six hundred thirteen".