16123426 has 16 divisors (see below), whose sum is σ = 26720640. Its totient is φ = 7235280.

The previous prime is 16123421. The next prime is 16123447. The reversal of 16123426 is 62432161.

It is a self number, because there is not a number n which added to its sum of digits gives 16123426.

It is not an unprimeable number, because it can be changed into a prime (16123421) 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, 2901 + ... + 6376.

It is an arithmetic number, because the mean of its divisors is an integer number (1670040).

Almost surely, 2^16123426 is an apocalyptic number.

16123426 is a deficient number, since it is larger than the sum of its proper divisors (10597214).

16123426 is a wasteful number, since it uses less digits than its factorization.

16123426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9369.

The product of its digits is 1728, while the sum is 25.

The square root of 16123426 is about 4015.3986103499. The cubic root of 16123426 is about 252.6304968688.

Adding to 16123426 its reverse (62432161), we get a palindrome (78555587).

The spelling of 16123426 in words is "sixteen million, one hundred twenty-three thousand, four hundred twenty-six".