13431223599 has 8 divisors (see below), whose sum is σ = 17908842240. Its totient is φ = 8953877016.

The previous prime is 13431223571. The next prime is 13431223613. The reversal of 13431223599 is 99532213431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13431223599 - 2¹³ = 13431215407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13431223599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431222599) 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, 127354 + ... + 207560.

It is an arithmetic number, because the mean of its divisors is an integer number (2238605280).

Almost surely, 2^13431223599 is an apocalyptic number.

13431223599 is a deficient number, since it is larger than the sum of its proper divisors (4477618641).

13431223599 is an equidigital number, since it uses as much as digits as its factorization.

13431223599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136029.

The product of its digits is 174960, while the sum is 42.

The spelling of 13431223599 in words is "thirteen billion, four hundred thirty-one million, two hundred twenty-three thousand, five hundred ninety-nine".