1123000432 has 10 divisors (see below), whose sum is σ = 2175813368. Its totient is φ = 561500208.

The previous prime is 1123000429. The next prime is 1123000457. The reversal of 1123000432 is 2340003211.

It is a happy number.

It is a super-2 number, since 2×1123000432² = 2522259940544373248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 70187527 = 1123000432 / (1 + 1 + 2 + 3 + 0 + 0 + 0 + 4 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35093748 + ... + 35093779.

Almost surely, 2^1123000432 is an apocalyptic number.

It is an amenable number.

1123000432 is a deficient number, since it is larger than the sum of its proper divisors (1052812936).

1123000432 is an equidigital number, since it uses as much as digits as its factorization.

1123000432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70187535 (or 70187529 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1123000432 is about 33511.1986058392. The cubic root of 1123000432 is about 1039.4253580881.

Adding to 1123000432 its reverse (2340003211), we get a palindrome (3463003643).

The spelling of 1123000432 in words is "one billion, one hundred twenty-three million, four hundred thirty-two", and thus it is an aban number.