403142323 has 8 divisors (see below), whose sum is σ = 427704320. Its totient is φ = 378914760.

The previous prime is 403142317. The next prime is 403142347. The reversal of 403142323 is 323241304.

It is a happy number.

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 403142323 - 2⁵ = 403142291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403142294 and 403142303.

It is not an unprimeable number, because it can be changed into a prime (403142123) 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, 81123 + ... + 85948.

It is an arithmetic number, because the mean of its divisors is an integer number (53463040).

Almost surely, 2^403142323 is an apocalyptic number.

403142323 is a deficient number, since it is larger than the sum of its proper divisors (24561997).

403142323 is a wasteful number, since it uses less digits than its factorization.

403142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167217.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 403142323 is about 20078.4043937759. The cubic root of 403142323 is about 738.7306721428.

Adding to 403142323 its reverse (323241304), we get a palindrome (726383627).

It can be divided in two parts, 4031423 and 23, that multiplied together give a palindrome (92722729).

The spelling of 403142323 in words is "four hundred three million, one hundred forty-two thousand, three hundred twenty-three".