1403423 has 8 divisors (see below), whose sum is σ = 1615392. Its totient is φ = 1194336.

The previous prime is 1403417. The next prime is 1403429. The reversal of 1403423 is 3243041.

It is an interprime number because it is at equal distance from previous prime (1403417) and next prime (1403429).

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 1403423 - 2⁴ = 1403407 is a prime.

It is a super-2 number, since 2×1403423² = 3939192233858, 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 (1403429) 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, 461 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (201924).

2^1403423 is an apocalyptic number.

1403423 is a deficient number, since it is larger than the sum of its proper divisors (211969).

1403423 is a wasteful number, since it uses less digits than its factorization.

1403423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1403423 is about 1184.6615550443. The cubic root of 1403423 is about 111.9599931516.

Adding to 1403423 its reverse (3243041), we get a palindrome (4646464).

The spelling of 1403423 in words is "one million, four hundred three thousand, four hundred twenty-three".