23378872559 has 8 divisors (see below), whose sum is σ = 27222838560. Its totient is φ = 19660938336.

The previous prime is 23378872553. The next prime is 23378872567. The reversal of 23378872559 is 95527887332.

It is a happy number.

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 23378872559 - 2²⁰ = 23377823983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23378872498 and 23378872507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23378872553) 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, 31507544 + ... + 31508285.

It is an arithmetic number, because the mean of its divisors is an integer number (3402854820).

Almost surely, 2^23378872559 is an apocalyptic number.

23378872559 is a deficient number, since it is larger than the sum of its proper divisors (3843966001).

23378872559 is an equidigital number, since it uses as much as digits as its factorization.

23378872559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63015889.

The product of its digits is 25401600, while the sum is 59.

The spelling of 23378872559 in words is "twenty-three billion, three hundred seventy-eight million, eight hundred seventy-two thousand, five hundred fifty-nine".