1233431412 has 12 divisors (see below), whose sum is σ = 2878006656. Its totient is φ = 411143800.

The previous prime is 1233431411. The next prime is 1233431429. The reversal of 1233431412 is 2141343321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233431411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51392964 + ... + 51392987.

It is an arithmetic number, because the mean of its divisors is an integer number (239833888).

Almost surely, 2^1233431412 is an apocalyptic number.

1233431412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233431412 is an abundant number, since it is smaller than the sum of its proper divisors (1644575244).

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

1233431412 is a wasteful number, since it uses less digits than its factorization.

1233431412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102785958 (or 102785956 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1233431412 is about 35120.2421973425. The cubic root of 1233431412 is about 1072.4367013462.

Adding to 1233431412 its reverse (2141343321), we get a palindrome (3374774733).

The spelling of 1233431412 in words is "one billion, two hundred thirty-three million, four hundred thirty-one thousand, four hundred twelve".