1343423 has 2 divisors, whose sum is σ = 1343424. Its totient is φ = 1343422.

The previous prime is 1343413. The next prime is 1343431. The reversal of 1343423 is 3243431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1343423 - 2¹⁸ = 1081279 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1343395 and 1343404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671711 + 671712.

It is an arithmetic number, because the mean of its divisors is an integer number (671712).

2^1343423 is an apocalyptic number.

1343423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343423 is an equidigital number, since it uses as much as digits as its factorization.

1343423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 1343423 is about 1159.0612580878. The cubic root of 1343423 is about 110.3411721434.

Adding to 1343423 its reverse (3243431), we get a palindrome (4586854).

The spelling of 1343423 in words is "one million, three hundred forty-three thousand, four hundred twenty-three".