438274023 has 8 divisors (see below), whose sum is σ = 637489536. Its totient is φ = 265620600.

The previous prime is 438274019. The next prime is 438274043. The reversal of 438274023 is 320472834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 438274023 - 2² = 438274019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 13281031 = 438274023 / (4 + 3 + 8 + 2 + 7 + 4 + 0 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438274043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6640483 + ... + 6640548.

It is an arithmetic number, because the mean of its divisors is an integer number (79686192).

Almost surely, 2^438274023 is an apocalyptic number.

438274023 is a deficient number, since it is larger than the sum of its proper divisors (199215513).

438274023 is a wasteful number, since it uses less digits than its factorization.

438274023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281045.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 438274023 is about 20934.9951755428. The cubic root of 438274023 is about 759.5946724864.

The spelling of 438274023 in words is "four hundred thirty-eight million, two hundred seventy-four thousand, twenty-three".