16423455 has 8 divisors (see below), whose sum is σ = 26277552. Its totient is φ = 8759168.

The previous prime is 16423447. The next prime is 16423469. The reversal of 16423455 is 55432461.

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 16423455 - 2³ = 16423447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547434 + ... + 547463.

It is an arithmetic number, because the mean of its divisors is an integer number (3284694).

Almost surely, 2^16423455 is an apocalyptic number.

16423455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16423455 is a deficient number, since it is larger than the sum of its proper divisors (9854097).

16423455 is a wasteful number, since it uses less digits than its factorization.

16423455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094905.

The product of its digits is 14400, while the sum is 30.

The square root of 16423455 is about 4052.5862112977. The cubic root of 16423455 is about 254.1878815341.

The spelling of 16423455 in words is "sixteen million, four hundred twenty-three thousand, four hundred fifty-five".