403243314342 has 96 divisors (see below), whose sum is σ = 907357334400. Its totient is φ = 118472757120.

The previous prime is 403243314311. The next prime is 403243314343. The reversal of 403243314342 is 243413342304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403243314343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15587034 + ... + 15612882.

It is an arithmetic number, because the mean of its divisors is an integer number (9451638900).

Almost surely, 2^403243314342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403243314342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453678667200).

403243314342 is an abundant number, since it is smaller than the sum of its proper divisors (504114020058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403243314342 is a wasteful number, since it uses less digits than its factorization.

403243314342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26066 (or 26019 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 403243314342 its reverse (243413342304), we get a palindrome (646656656646).

The spelling of 403243314342 in words is "four hundred three billion, two hundred forty-three million, three hundred fourteen thousand, three hundred forty-two".