1423069 has 8 divisors (see below), whose sum is σ = 1484280. Its totient is φ = 1363200.

The previous prime is 1423067. The next prime is 1423073. The reversal of 1423069 is 9603241.

1423069 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 1232100 = 437^2 + 1110^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423069 - 2¹ = 1423067 is a prime.

It is a super-2 number, since 2×1423069² = 4050250757522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (185535).

2^1423069 is an apocalyptic number.

It is an amenable number.

1423069 is a deficient number, since it is larger than the sum of its proper divisors (61211).

1423069 is an equidigital number, since it uses as much as digits as its factorization.

1423069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1423069 is about 1192.9245575475. The cubic root of 1423069 is about 112.4800030301.

The spelling of 1423069 in words is "one million, four hundred twenty-three thousand, sixty-nine".