3431123 has 2 divisors, whose sum is σ = 3431124. Its totient is φ = 3431122.

The previous prime is 3431119. The next prime is 3431143. The reversal of 3431123 is 3211343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3431123 - 2² = 3431119 is a prime.

It is a super-2 number, since 2×3431123² = 23545210082258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3431143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715561 + 1715562.

It is an arithmetic number, because the mean of its divisors is an integer number (1715562).

Almost surely, 2^3431123 is an apocalyptic number.

3431123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431123 is an equidigital number, since it uses as much as digits as its factorization.

3431123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 17.

The square root of 3431123 is about 1852.3290744357. The cubic root of 3431123 is about 150.8268852149.

Adding to 3431123 its reverse (3211343), we get a palindrome (6642466).

The spelling of 3431123 in words is "three million, four hundred thirty-one thousand, one hundred twenty-three".