1349423 has 2 divisors, whose sum is σ = 1349424. Its totient is φ = 1349422.

The previous prime is 1349407. The next prime is 1349471. The reversal of 1349423 is 3249431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1349423 - 2⁴ = 1349407 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1349392 and 1349401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674711 + 674712.

It is an arithmetic number, because the mean of its divisors is an integer number (674712).

2^1349423 is an apocalyptic number.

1349423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349423 is an equidigital number, since it uses as much as digits as its factorization.

1349423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 1349423 is about 1161.6466760595. The cubic root of 1349423 is about 110.5051968919.

The spelling of 1349423 in words is "one million, three hundred forty-nine thousand, four hundred twenty-three".