16423412 has 12 divisors (see below), whose sum is σ = 29518020. Its totient is φ = 7989696.

The previous prime is 16423399. The next prime is 16423439. The reversal of 16423412 is 21432461.

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 7873636 = 2924^2 + 2806^2 .

It is a congruent number.

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, 55337 + ... + 55632.

It is an arithmetic number, because the mean of its divisors is an integer number (2459835).

Almost surely, 2^16423412 is an apocalyptic number.

It is an amenable number.

16423412 is a deficient number, since it is larger than the sum of its proper divisors (13094608).

16423412 is a wasteful number, since it uses less digits than its factorization.

16423412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111010 (or 111008 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 16423412 is about 4052.5809060400. The cubic root of 16423412 is about 254.1876596951.

Adding to 16423412 its reverse (21432461), we get a palindrome (37855873).

The spelling of 16423412 in words is "sixteen million, four hundred twenty-three thousand, four hundred twelve".