16802423 has 6 divisors (see below), whose sum is σ = 18468912. Its totient is φ = 15274820.

The previous prime is 16802413. The next prime is 16802449. The reversal of 16802423 is 32420861.

It is not a de Polignac number, because 16802423 - 2⁴ = 16802407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16802392 and 16802401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16802413) 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, 69311 + ... + 69552.

It is an arithmetic number, because the mean of its divisors is an integer number (3078152).

Almost surely, 2^16802423 is an apocalyptic number.

16802423 is a deficient number, since it is larger than the sum of its proper divisors (1666489).

16802423 is a wasteful number, since it uses less digits than its factorization.

16802423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138885 (or 138874 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 16802423 is about 4099.0758714618. The cubic root of 16802423 is about 256.1281452759.

The spelling of 16802423 in words is "sixteen million, eight hundred two thousand, four hundred twenty-three".