11323456789 has 8 divisors (see below), whose sum is σ = 11360761632. Its totient is φ = 11286189840.

The previous prime is 11323456741. The next prime is 11323456799. The reversal of 11323456789 is 98765432311.

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 11323456789 - 2²⁵ = 11289902357 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 (11323456799) 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, 667122 + ... + 683884.

It is an arithmetic number, because the mean of its divisors is an integer number (1420095204).

Almost surely, 2^11323456789 is an apocalyptic number.

It is an amenable number.

11323456789 is a deficient number, since it is larger than the sum of its proper divisors (37304843).

11323456789 is a wasteful number, since it uses less digits than its factorization.

11323456789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947.

The product of its digits is 1088640, while the sum is 49.

The spelling of 11323456789 in words is "eleven billion, three hundred twenty-three million, four hundred fifty-six thousand, seven hundred eighty-nine".