3431023 has 4 divisors (see below), whose sum is σ = 3454200. Its totient is φ = 3407848.

The previous prime is 3431017. The next prime is 3431053. The reversal of 3431023 is 3201343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201343 = 103 ⋅31081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3431023 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3430988 and 3431006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431053) 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 3 ways as a sum of consecutive naturals, for example, 11365 + ... + 11662.

It is an arithmetic number, because the mean of its divisors is an integer number (863550).

Almost surely, 2^3431023 is an apocalyptic number.

3431023 is a deficient number, since it is larger than the sum of its proper divisors (23177).

3431023 is a wasteful number, since it uses less digits than its factorization.

3431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3431023 is about 1852.3020811952. The cubic root of 3431023 is about 150.8254199186.

Adding to 3431023 its reverse (3201343), we get a palindrome (6632366).

The spelling of 3431023 in words is "three million, four hundred thirty-one thousand, twenty-three".