2359509181223 has 4 divisors (see below), whose sum is σ = 2498303838960. Its totient is φ = 2220714523488.

The previous prime is 2359509181217. The next prime is 2359509181243. The reversal of 2359509181223 is 3221819059532.

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 2359509181223 - 2¹⁰ = 2359509180199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2359509181243) 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, 69397328843 + ... + 69397328876.

It is an arithmetic number, because the mean of its divisors is an integer number (624575959740).

Almost surely, 2^{2359509181223} is an apocalyptic number.

2359509181223 is a deficient number, since it is larger than the sum of its proper divisors (138794657737).

2359509181223 is a wasteful number, since it uses less digits than its factorization.

2359509181223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138794657736.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 2359509181223 in words is "two trillion, three hundred fifty-nine billion, five hundred nine million, one hundred eighty-one thousand, two hundred twenty-three".