423540374 has 4 divisors (see below), whose sum is σ = 635310564. Its totient is φ = 211770186.

The previous prime is 423540349. The next prime is 423540401. The reversal of 423540374 is 473045324.

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 423540374.

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 as a sum of consecutive naturals, namely, 105885092 + ... + 105885095.

It is an arithmetic number, because the mean of its divisors is an integer number (158827641).

Almost surely, 2^423540374 is an apocalyptic number.

423540374 is a deficient number, since it is larger than the sum of its proper divisors (211770190).

423540374 is a wasteful number, since it uses less digits than its factorization.

423540374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211770189.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 423540374 is about 20580.0965498221. The cubic root of 423540374 is about 750.9855925387.

Adding to 423540374 its reverse (473045324), we get a palindrome (896585698).

The spelling of 423540374 in words is "four hundred twenty-three million, five hundred forty thousand, three hundred seventy-four".