16432423 has 8 divisors (see below), whose sum is σ = 19006848. Its totient is φ = 13914744.

The previous prime is 16432399. The next prime is 16432439. The reversal of 16432423 is 32423461.

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 16432423 - 2⁵ = 16432391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432463) 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, 13561 + ... + 14722.

It is an arithmetic number, because the mean of its divisors is an integer number (2375856).

Almost surely, 2^16432423 is an apocalyptic number.

16432423 is a deficient number, since it is larger than the sum of its proper divisors (2574425).

16432423 is an equidigital number, since it uses as much as digits as its factorization.

16432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28373.

The product of its digits is 3456, while the sum is 25.

The square root of 16432423 is about 4053.6925142393. The cubic root of 16432423 is about 254.2341394040.

Adding to 16432423 its reverse (32423461), we get a palindrome (48855884).

The spelling of 16432423 in words is "sixteen million, four hundred thirty-two thousand, four hundred twenty-three".