423305742 has 32 divisors (see below), whose sum is σ = 856322208. Its totient is φ = 139493376.

The previous prime is 423305681. The next prime is 423305747. The reversal of 423305742 is 247503324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423305747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199278 + ... + 201390.

It is an arithmetic number, because the mean of its divisors is an integer number (26760069).

Almost surely, 2^423305742 is an apocalyptic number.

423305742 is an abundant number, since it is smaller than the sum of its proper divisors (433016466).

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

423305742 is a wasteful number, since it uses less digits than its factorization.

423305742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 423305742 is about 20574.3953009560. The cubic root of 423305742 is about 750.8468904532.

The spelling of 423305742 in words is "four hundred twenty-three million, three hundred five thousand, seven hundred forty-two".