1402023 has 8 divisors (see below), whose sum is σ = 2136448. Its totient is φ = 801144.

The previous prime is 1402019. The next prime is 1402031. The reversal of 1402023 is 3202041.

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

It is not a de Polignac number, because 1402023 - 2² = 1402019 is a prime.

It is a Duffinian number.

1402023 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33361 + ... + 33402.

It is an arithmetic number, because the mean of its divisors is an integer number (267056).

2^1402023 is an apocalyptic number.

1402023 is a deficient number, since it is larger than the sum of its proper divisors (734425).

1402023 is an equidigital number, since it uses as much as digits as its factorization.

1402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66773.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1402023 is about 1184.0705215484. The cubic root of 1402023 is about 111.9227517924.

Subtracting from 1402023 its product of nonzero digits (48), we obtain a triangular number (1401975 = T₁₆₇₄).

Adding to 1402023 its reverse (3202041), we get a palindrome (4604064).

The spelling of 1402023 in words is "one million, four hundred two thousand, twenty-three".