403123343 has 6 divisors (see below), whose sum is σ = 468939456. Its totient is φ = 345534252.

The previous prime is 403123339. The next prime is 403123387. The reversal of 403123343 is 343321304.

It is not a de Polignac number, because 403123343 - 2² = 403123339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4113455 + ... + 4113552.

It is an arithmetic number, because the mean of its divisors is an integer number (78156576).

Almost surely, 2^403123343 is an apocalyptic number.

403123343 is a deficient number, since it is larger than the sum of its proper divisors (65816113).

403123343 is an equidigital number, since it uses as much as digits as its factorization.

403123343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227021 (or 8227014 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 403123343 is about 20077.9317410933. The cubic root of 403123343 is about 738.7190787779.

Adding to 403123343 its reverse (343321304), we get a palindrome (746444647).

The spelling of 403123343 in words is "four hundred three million, one hundred twenty-three thousand, three hundred forty-three".