1232403401 has 4 divisors (see below), whose sum is σ = 1274900100. Its totient is φ = 1189906704.

The previous prime is 1232403323. The next prime is 1232403413. The reversal of 1232403401 is 1043042321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 444197776 + 788205625 = 21076^2 + 28075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232403401 - 2¹⁴ = 1232387017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232403451) 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, 21248306 + ... + 21248363.

It is an arithmetic number, because the mean of its divisors is an integer number (318725025).

Almost surely, 2^1232403401 is an apocalyptic number.

It is an amenable number.

1232403401 is a deficient number, since it is larger than the sum of its proper divisors (42496699).

1232403401 is an equidigital number, since it uses as much as digits as its factorization.

1232403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42496698.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1232403401 is about 35105.6035555579. The cubic root of 1232403401 is about 1072.1386755445.

Adding to 1232403401 its reverse (1043042321), we get a palindrome (2275445722).

The spelling of 1232403401 in words is "one billion, two hundred thirty-two million, four hundred three thousand, four hundred one".