1232143404 has 24 divisors (see below), whose sum is σ = 2875616688. Its totient is φ = 410626560.

The previous prime is 1232143397. The next prime is 1232143411. The reversal of 1232143404 is 4043412321.

It is an interprime number because it is at equal distance from previous prime (1232143397) and next prime (1232143411).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73224 + ... + 88464.

It is an arithmetic number, because the mean of its divisors is an integer number (119817362).

Almost surely, 2^1232143404 is an apocalyptic number.

It is an amenable number.

1232143404 is an abundant number, since it is smaller than the sum of its proper divisors (1643473284).

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

1232143404 is a wasteful number, since it uses less digits than its factorization.

1232143404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21985 (or 21983 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1232143404 is about 35101.9002904401. The cubic root of 1232143404 is about 1072.0632747886.

Adding to 1232143404 its reverse (4043412321), we get a palindrome (5275555725).

The spelling of 1232143404 in words is "one billion, two hundred thirty-two million, one hundred forty-three thousand, four hundred four".