1429423 has 2 divisors, whose sum is σ = 1429424. Its totient is φ = 1429422.

The previous prime is 1429409. The next prime is 1429451. The reversal of 1429423 is 3249241.

It is a weak prime.

It is an emirp because it is prime and its reverse (3249241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1429423 - 2¹⁷ = 1298351 is a prime.

It is a super-2 number, since 2×1429423² = 4086500225858, which contains 22 as substring.

1429423 is a lucky number.

It is equal to p₁₀₉₁₅₉ and since 1429423 and 109159 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714711 + 714712.

It is an arithmetic number, because the mean of its divisors is an integer number (714712).

2^1429423 is an apocalyptic number.

1429423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429423 is an equidigital number, since it uses as much as digits as its factorization.

1429423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 1429423 is about 1195.5847941489. The cubic root of 1429423 is about 112.6471621446.

The spelling of 1429423 in words is "one million, four hundred twenty-nine thousand, four hundred twenty-three".