3431623 has 12 divisors (see below), whose sum is σ = 3871000. Its totient is φ = 3023856.

The previous prime is 3431621. The next prime is 3431629. The reversal of 3431623 is 3261343.

It is not a de Polignac number, because 3431623 - 2¹ = 3431621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3431594 and 3431603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6628 + ... + 7126.

Almost surely, 2^3431623 is an apocalyptic number.

3431623 is a deficient number, since it is larger than the sum of its proper divisors (439377).

3431623 is a wasteful number, since it uses less digits than its factorization.

3431623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 535 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 3431623 is about 1852.4640347386. The cubic root of 3431623 is about 150.8342112691.

Adding to 3431623 its reverse (3261343), we get a palindrome (6692966).

The spelling of 3431623 in words is "three million, four hundred thirty-one thousand, six hundred twenty-three".