16407423 has 6 divisors (see below), whose sum is σ = 23699624. Its totient is φ = 10938276.

The previous prime is 16407403. The next prime is 16407437. The reversal of 16407423 is 32470461.

It is not a de Polignac number, because 16407423 - 2¹⁶ = 16341887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16407403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 911515 + ... + 911532.

Almost surely, 2^16407423 is an apocalyptic number.

16407423 is a deficient number, since it is larger than the sum of its proper divisors (7292201).

16407423 is a wasteful number, since it uses less digits than its factorization.

16407423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823053 (or 1823050 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 16407423 is about 4050.6077321804. The cubic root of 16407423 is about 254.1051448457.

Adding to 16407423 its reverse (32470461), we get a palindrome (48877884).

The spelling of 16407423 in words is "sixteen million, four hundred seven thousand, four hundred twenty-three".