1232433401 has 4 divisors (see below), whose sum is σ = 1233327204. Its totient is φ = 1231539600.

The previous prime is 1232433373. The next prime is 1232433439. The reversal of 1232433401 is 1043342321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1043342321 = 7 ⋅149048903.

It can be written as a sum of positive squares in 2 ways, for example, as 741146176 + 491287225 = 27224^2 + 22165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232433401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232433451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444830 + ... + 447591.

It is an arithmetic number, because the mean of its divisors is an integer number (308331801).

Almost surely, 2^1232433401 is an apocalyptic number.

It is an amenable number.

1232433401 is a deficient number, since it is larger than the sum of its proper divisors (893803).

1232433401 is an equidigital number, since it uses as much as digits as its factorization.

1232433401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893802.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1232433401 is about 35106.0308351713. The cubic root of 1232433401 is about 1072.1473750497.

Adding to 1232433401 its reverse (1043342321), we get a palindrome (2275775722).

The spelling of 1232433401 in words is "one billion, two hundred thirty-two million, four hundred thirty-three thousand, four hundred one".