16123232 has 12 divisors (see below), whose sum is σ = 31742676. Its totient is φ = 8061600.

The previous prime is 16123213. The next prime is 16123241. The reversal of 16123232 is 23232161.

It is a happy number.

It is a super-2 number, since 2×16123232² = 519917220251648, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251894 + ... + 251957.

It is an arithmetic number, because the mean of its divisors is an integer number (2645223).

Almost surely, 2^16123232 is an apocalyptic number.

It is an amenable number.

16123232 is a deficient number, since it is larger than the sum of its proper divisors (15619444).

16123232 is an equidigital number, since it uses as much as digits as its factorization.

16123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503861 (or 503853 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 16123232 is about 4015.3744532733. The cubic root of 16123232 is about 252.6294836327.

Adding to 16123232 its reverse (23232161), we get a palindrome (39355393).

The spelling of 16123232 in words is "sixteen million, one hundred twenty-three thousand, two hundred thirty-two".