11123431324 has 24 divisors (see below), whose sum is σ = 19573651328. Its totient is φ = 5531001840.

The previous prime is 11123431303. The next prime is 11123431349. The reversal of 11123431324 is 42313432111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247209 + ... + 1256095.

Almost surely, 2^11123431324 is an apocalyptic number.

It is an amenable number.

11123431324 is a deficient number, since it is larger than the sum of its proper divisors (8450220004).

11123431324 is a wasteful number, since it uses less digits than its factorization.

11123431324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585 (or 10583 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 11123431324 its reverse (42313432111), we get a palindrome (53436863435).

The spelling of 11123431324 in words is "eleven billion, one hundred twenty-three million, four hundred thirty-one thousand, three hundred twenty-four".