13823654331 has 4 divisors (see below), whose sum is σ = 18431539112. Its totient is φ = 9215769552.

The previous prime is 13823654303. The next prime is 13823654357. The reversal of 13823654331 is 13345632831.

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

It is not a de Polignac number, because 13823654331 - 2¹⁹ = 13823130043 is a prime.

It is a super-2 number, since 2×13823654331² (a number of 21 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 13823654331.

It is not an unprimeable number, because it can be changed into a prime (13823654371) 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, 2303942386 + ... + 2303942391.

It is an arithmetic number, because the mean of its divisors is an integer number (4607884778).

Almost surely, 2^13823654331 is an apocalyptic number.

13823654331 is a deficient number, since it is larger than the sum of its proper divisors (4607884781).

13823654331 is an equidigital number, since it uses as much as digits as its factorization.

13823654331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607884780.

The product of its digits is 155520, while the sum is 39.

The spelling of 13823654331 in words is "thirteen billion, eight hundred twenty-three million, six hundred fifty-four thousand, three hundred thirty-one".