10523218 has 8 divisors (see below), whose sum is σ = 16152048. Its totient is φ = 5139204.

The previous prime is 10523209. The next prime is 10523251. The reversal of 10523218 is 81232501.

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

It is a super-2 number, since 2×10523218² = 221476234151048, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61096 + ... + 61267.

It is an arithmetic number, because the mean of its divisors is an integer number (2019006).

Almost surely, 2^10523218 is an apocalyptic number.

10523218 is a deficient number, since it is larger than the sum of its proper divisors (5628830).

10523218 is a wasteful number, since it uses less digits than its factorization.

10523218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122408.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 10523218 is about 3243.9509860662. The cubic root of 10523218 is about 219.1372408331.

Adding to 10523218 its reverse (81232501), we get a palindrome (91755719).

The spelling of 10523218 in words is "ten million, five hundred twenty-three thousand, two hundred eighteen".