16425423 has 40 divisors (see below), whose sum is σ = 28575360. Its totient is φ = 9208080.

The previous prime is 16425413. The next prime is 16425433. The reversal of 16425423 is 32452461.

It is an interprime number because it is at equal distance from previous prime (16425413) and next prime (16425433).

It is not a de Polignac number, because 16425423 - 2⁴ = 16425407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16425413) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33208 + ... + 33698.

It is an arithmetic number, because the mean of its divisors is an integer number (714384).

Almost surely, 2^16425423 is an apocalyptic number.

16425423 is a deficient number, since it is larger than the sum of its proper divisors (12149937).

16425423 is an equidigital number, since it uses as much as digits as its factorization.

16425423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 560 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 16425423 is about 4052.8290119372. The cubic root of 16425423 is about 254.1980341233.

Adding to 16425423 its reverse (32452461), we get a palindrome (48877884).

The spelling of 16425423 in words is "sixteen million, four hundred twenty-five thousand, four hundred twenty-three".