423244542 has 32 divisors (see below), whose sum is σ = 968620032. Its totient is φ = 120776544.

The previous prime is 423244537. The next prime is 423244553. The reversal of 423244542 is 245442324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30408 + ... + 42084.

It is an arithmetic number, because the mean of its divisors is an integer number (30269376).

Almost surely, 2^423244542 is an apocalyptic number.

423244542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423244542 is an abundant number, since it is smaller than the sum of its proper divisors (545375490).

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

423244542 is a wasteful number, since it uses less digits than its factorization.

423244542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12552.

The product of its digits is 30720, while the sum is 30.

The square root of 423244542 is about 20572.9079616859. The cubic root of 423244542 is about 750.8107038078.

Adding to 423244542 its reverse (245442324), we get a palindrome (668686866).

The spelling of 423244542 in words is "four hundred twenty-three million, two hundred forty-four thousand, five hundred forty-two".