403123024342 has 4 divisors (see below), whose sum is σ = 604684536516. Its totient is φ = 201561512170.

The previous prime is 403123024321. The next prime is 403123024349. The reversal of 403123024342 is 243420321304.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 403123024342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403123024349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100780756084 + ... + 100780756087.

It is an arithmetic number, because the mean of its divisors is an integer number (151171134129).

Almost surely, 2^403123024342 is an apocalyptic number.

403123024342 is a deficient number, since it is larger than the sum of its proper divisors (201561512174).

403123024342 is a wasteful number, since it uses less digits than its factorization.

403123024342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201561512173.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 403123024342 its reverse (243420321304), we get a palindrome (646543345646).

The spelling of 403123024342 in words is "four hundred three billion, one hundred twenty-three million, twenty-four thousand, three hundred forty-two".