232431401 has 4 divisors (see below), whose sum is σ = 234732804. Its totient is φ = 230130000.

The previous prime is 232431377. The next prime is 232431439. The reversal of 232431401 is 104134232.

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 164352400 + 68079001 = 12820^2 + 8251^2 .

It is a cyclic number.

It is not a de Polignac number, because 232431401 - 2¹⁸ = 232169257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232431461) 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, 1150550 + ... + 1150751.

It is an arithmetic number, because the mean of its divisors is an integer number (58683201).

Almost surely, 2^232431401 is an apocalyptic number.

It is an amenable number.

232431401 is a deficient number, since it is larger than the sum of its proper divisors (2301403).

232431401 is a wasteful number, since it uses less digits than its factorization.

232431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301402.

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

The square root of 232431401 is about 15245.7010662022. The cubic root of 232431401 is about 614.8439915386.

Adding to 232431401 its reverse (104134232), we get a palindrome (336565633).

The spelling of 232431401 in words is "two hundred thirty-two million, four hundred thirty-one thousand, four hundred one".