23147547791759 has 4 divisors (see below), whose sum is σ = 23426433909816. Its totient is φ = 22868661673704.

The previous prime is 23147547791743. The next prime is 23147547791789. The reversal of 23147547791759 is 95719774574132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23147547791759 - 2⁴ = 23147547791743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23147547791692 and 23147547791701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23147547791789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139443058904 + ... + 139443059069.

It is an arithmetic number, because the mean of its divisors is an integer number (5856608477454).

Almost surely, 2^{23147547791759} is an apocalyptic number.

23147547791759 is a deficient number, since it is larger than the sum of its proper divisors (278886118057).

23147547791759 is an equidigital number, since it uses as much as digits as its factorization.

23147547791759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278886118056.

The product of its digits is 466754400, while the sum is 71.

The spelling of 23147547791759 in words is "twenty-three trillion, one hundred forty-seven billion, five hundred forty-seven million, seven hundred ninety-one thousand, seven hundred fifty-nine".