1423235 has 16 divisors (see below), whose sum is σ = 1887840. Its totient is φ = 1021440.

The previous prime is 1423231. The next prime is 1423237. The reversal of 1423235 is 5323241.

It is a happy number.

It is not a de Polignac number, because 1423235 - 2² = 1423231 is a prime.

It is a super-3 number, since 3×1423235³ = 8648705333140508625, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1423231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6101 + ... + 6329.

It is an arithmetic number, because the mean of its divisors is an integer number (117990).

2^1423235 is an apocalyptic number.

1423235 is a deficient number, since it is larger than the sum of its proper divisors (464605).

1423235 is a wasteful number, since it uses less digits than its factorization.

1423235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its digits is 720, while the sum is 20.

The square root of 1423235 is about 1192.9941324248. The cubic root of 1423235 is about 112.4843764312.

Adding to 1423235 its reverse (5323241), we get a palindrome (6746476).

The spelling of 1423235 in words is "one million, four hundred twenty-three thousand, two hundred thirty-five".