403523413242 has 16 divisors (see below), whose sum is σ = 820277103072. Its totient is φ = 132302758320.

The previous prime is 403523413213. The next prime is 403523413247. The reversal of 403523413242 is 242314325304.

It is a super-2 number, since 2×403523413242² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403523413247) 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, 551261128 + ... + 551261859.

It is an arithmetic number, because the mean of its divisors is an integer number (51267318942).

Almost surely, 2^403523413242 is an apocalyptic number.

403523413242 is an abundant number, since it is smaller than the sum of its proper divisors (416753689830).

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

403523413242 is a wasteful number, since it uses less digits than its factorization.

403523413242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102523053.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 403523413242 its reverse (242314325304), we get a palindrome (645837738546).

The spelling of 403523413242 in words is "four hundred three billion, five hundred twenty-three million, four hundred thirteen thousand, two hundred forty-two".