423542502 has 24 divisors (see below), whose sum is σ = 921726936. Its totient is φ = 140557536.

The previous prime is 423542473. The next prime is 423542513. The reversal of 423542502 is 205245324.

It is a happy number.

423542502 is a `hidden beast` number, since 4 + 235 + 425 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 47743 + ... + 55914.

It is an arithmetic number, because the mean of its divisors is an integer number (38405289).

Almost surely, 2^423542502 is an apocalyptic number.

423542502 is an abundant number, since it is smaller than the sum of its proper divisors (498184434).

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

423542502 is a wasteful number, since it uses less digits than its factorization.

423542502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103892 (or 103889 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 423542502 is about 20580.1482501949. The cubic root of 423542502 is about 750.9868502659.

Adding to 423542502 its reverse (205245324), we get a palindrome (628787826).

The spelling of 423542502 in words is "four hundred twenty-three million, five hundred forty-two thousand, five hundred two".