1232013400 has 48 divisors (see below), whose sum is σ = 2988982800. Its totient is φ = 471377280.

The previous prime is 1232013361. The next prime is 1232013403. The reversal of 1232013400 is 43102321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232013403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129315 + ... + 138514.

It is an arithmetic number, because the mean of its divisors is an integer number (62270475).

Almost surely, 2^1232013400 is an apocalyptic number.

1232013400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232013400 is an abundant number, since it is smaller than the sum of its proper divisors (1756969400).

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

1232013400 is a wasteful number, since it uses less digits than its factorization.

1232013400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267868 (or 267859 counting only the distinct ones).

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

The square root of 1232013400 is about 35100.0484330150. The cubic root of 1232013400 is about 1072.0255688377.

Adding to 1232013400 its reverse (43102321), we get a palindrome (1275115721).

The spelling of 1232013400 in words is "one billion, two hundred thirty-two million, thirteen thousand, four hundred".