1232143120 has 80 divisors (see below), whose sum is σ = 3219293952. Its totient is φ = 435156480.

The previous prime is 1232143093. The next prime is 1232143139. The reversal of 1232143120 is 213412321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 49675.

Almost surely, 2^1232143120 is an apocalyptic number.

1232143120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609646976).

1232143120 is an abundant number, since it is smaller than the sum of its proper divisors (1987150832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232143120 is a wasteful number, since it uses less digits than its factorization.

1232143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51560 (or 51554 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1232143120 is about 35101.8962450749. The cubic root of 1232143120 is about 1072.0631924210.

Adding to 1232143120 its reverse (213412321), we get a palindrome (1445555441).

The spelling of 1232143120 in words is "one billion, two hundred thirty-two million, one hundred forty-three thousand, one hundred twenty".