838453523 has 8 divisors (see below), whose sum is σ = 875670048. Its totient is φ = 801300544.

The previous prime is 838453513. The next prime is 838453531. The reversal of 838453523 is 325354838.

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

It is a cyclic number.

It is not a de Polignac number, because 838453523 - 2⁴ = 838453507 is a prime.

It is a super-2 number, since 2×838453523² = 1406008620462223058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838453513) 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, 12161 + ... + 42717.

It is an arithmetic number, because the mean of its divisors is an integer number (109458756).

Almost surely, 2^838453523 is an apocalyptic number.

838453523 is a deficient number, since it is larger than the sum of its proper divisors (37216525).

838453523 is a wasteful number, since it uses less digits than its factorization.

838453523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31773.

The product of its digits is 345600, while the sum is 41.

The square root of 838453523 is about 28956.0619387375. The cubic root of 838453523 is about 942.9594081968.

The spelling of 838453523 in words is "eight hundred thirty-eight million, four hundred fifty-three thousand, five hundred twenty-three".