11423491239 has 16 divisors (see below), whose sum is σ = 16585833600. Its totient is φ = 6966048096.

The previous prime is 11423491237. The next prime is 11423491243. The reversal of 11423491239 is 93219432411.

It is not a de Polignac number, because 11423491239 - 2¹ = 11423491237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11423491197 and 11423491206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423491231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3453729 + ... + 3457034.

It is an arithmetic number, because the mean of its divisors is an integer number (1036614600).

Almost surely, 2^11423491239 is an apocalyptic number.

11423491239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11423491239 is a deficient number, since it is larger than the sum of its proper divisors (5162342361).

11423491239 is a wasteful number, since it uses less digits than its factorization.

11423491239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910814.

The product of its digits is 46656, while the sum is 39.

The spelling of 11423491239 in words is "eleven billion, four hundred twenty-three million, four hundred ninety-one thousand, two hundred thirty-nine".