423208274 has 4 divisors (see below), whose sum is σ = 634812414. Its totient is φ = 211604136.

The previous prime is 423208243. The next prime is 423208283. The reversal of 423208274 is 472802324.

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

It can be written as a sum of positive squares in only one way, i.e., 415956025 + 7252249 = 20395^2 + 2693^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423208274.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105802067 + ... + 105802070.

Almost surely, 2^423208274 is an apocalyptic number.

423208274 is a deficient number, since it is larger than the sum of its proper divisors (211604140).

423208274 is a wasteful number, since it uses less digits than its factorization.

423208274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211604139.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 423208274 is about 20572.0264923026. The cubic root of 423208274 is about 750.7892574352.

The spelling of 423208274 in words is "four hundred twenty-three million, two hundred eight thousand, two hundred seventy-four".