2345431 has 8 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 2104440.

The previous prime is 2345401. The next prime is 2345443. The reversal of 2345431 is 1345432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345431 is a prime.

It is a super-2 number, since 2×2345431² = 11002093151522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

2^2345431 is an apocalyptic number.

2345431 is a deficient number, since it is larger than the sum of its proper divisors (246569).

2345431 is a wasteful number, since it uses less digits than its factorization.

2345431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789.

The product of its digits is 1440, while the sum is 22.

The square root of 2345431 is about 1531.4800031342. The cubic root of 2345431 is about 132.8640705195.

Subtracting from 2345431 its reverse (1345432), we obtain a palindrome (999999).

It can be divided in two parts, 234 and 5431, that added together give a palindrome (5665).

The spelling of 2345431 in words is "two million, three hundred forty-five thousand, four hundred thirty-one".