1423031 has 4 divisors (see below), whose sum is σ = 1425600. Its totient is φ = 1420464.

The previous prime is 1423003. The next prime is 1423039. The reversal of 1423031 is 1303241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423031 - 2¹⁰ = 1422007 is a prime.

It is a super-2 number, since 2×1423031² = 4050034453922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422997 and 1423015.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (356400).

2^1423031 is an apocalyptic number.

1423031 is a deficient number, since it is larger than the sum of its proper divisors (2569).

1423031 is an equidigital number, since it uses as much as digits as its factorization.

1423031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1423031 is about 1192.9086301976. The cubic root of 1423031 is about 112.4790018422.

Adding to 1423031 its reverse (1303241), we get a palindrome (2726272).

The spelling of 1423031 in words is "one million, four hundred twenty-three thousand, thirty-one".