1232014321 has 4 divisors (see below), whose sum is σ = 1296857200. Its totient is φ = 1167171444.

The previous prime is 1232014319. The next prime is 1232014331. The reversal of 1232014321 is 1234102321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1234102321 = 1553 ⋅794657.

It is not a de Polignac number, because 1232014321 - 2¹ = 1232014319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 64842859 = 1232014321 / (1 + 2 + 3 + 2 + 0 + 1 + 4 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232014331) 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, 32421411 + ... + 32421448.

It is an arithmetic number, because the mean of its divisors is an integer number (324214300).

Almost surely, 2^1232014321 is an apocalyptic number.

It is an amenable number.

1232014321 is a deficient number, since it is larger than the sum of its proper divisors (64842879).

1232014321 is an equidigital number, since it uses as much as digits as its factorization.

1232014321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64842878.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1232014321 is about 35100.0615526526. The cubic root of 1232014321 is about 1072.0258359709.

Adding to 1232014321 its reverse (1234102321), we get a palindrome (2466116642).

The spelling of 1232014321 in words is "one billion, two hundred thirty-two million, fourteen thousand, three hundred twenty-one".