1423029 has 4 divisors (see below), whose sum is σ = 1897376. Its totient is φ = 948684.

The previous prime is 1423003. The next prime is 1423039. The reversal of 1423029 is 9203241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9203241 = 3 ⋅3067747.

It is not a de Polignac number, because 1423029 - 2¹¹ = 1420981 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422996 and 1423014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237169 + ... + 237174.

It is an arithmetic number, because the mean of its divisors is an integer number (474344).

2^1423029 is an apocalyptic number.

It is an amenable number.

1423029 is a deficient number, since it is larger than the sum of its proper divisors (474347).

1423029 is an equidigital number, since it uses as much as digits as its factorization.

1423029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474346.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1423029 is about 1192.9077919102. The cubic root of 1423029 is about 112.4789491477.

It can be divided in two parts, 142302 and 9, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 1423029 in words is "one million, four hundred twenty-three thousand, twenty-nine".