423803374 has 4 divisors (see below), whose sum is σ = 635705064. Its totient is φ = 211901686.

The previous prime is 423803363. The next prime is 423803377. The reversal of 423803374 is 473308324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423803377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105950842 + ... + 105950845.

It is an arithmetic number, because the mean of its divisors is an integer number (158926266).

Almost surely, 2^423803374 is an apocalyptic number.

423803374 is a deficient number, since it is larger than the sum of its proper divisors (211901690).

423803374 is a wasteful number, since it uses less digits than its factorization.

423803374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211901689.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 423803374 is about 20586.4852269638. The cubic root of 423803374 is about 751.1410034161.

It can be divided in two parts, 42380 and 3374, that added together give a palindrome (45754).

The spelling of 423803374 in words is "four hundred twenty-three million, eight hundred three thousand, three hundred seventy-four".