1234431323 has 4 divisors (see below), whose sum is σ = 1245355608. Its totient is φ = 1223507040.

The previous prime is 1234431307. The next prime is 1234431391. The reversal of 1234431323 is 3231344321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231344321 = 701 ⋅4609621.

It is a cyclic number.

It is not a de Polignac number, because 1234431323 - 2⁴ = 1234431307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1234431292 and 1234431301.

It is not an unprimeable number, because it can be changed into a prime (1234431823) 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, 5461973 + ... + 5462198.

It is an arithmetic number, because the mean of its divisors is an integer number (311338902).

Almost surely, 2^1234431323 is an apocalyptic number.

1234431323 is a deficient number, since it is larger than the sum of its proper divisors (10924285).

1234431323 is a wasteful number, since it uses less digits than its factorization.

1234431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924284.

The product of its digits is 5184, while the sum is 26.

The square root of 1234431323 is about 35134.4748502094. The cubic root of 1234431323 is about 1072.7264219856.

Adding to 1234431323 its reverse (3231344321), we get a palindrome (4465775644).

The spelling of 1234431323 in words is "one billion, two hundred thirty-four million, four hundred thirty-one thousand, three hundred twenty-three".