16123345 has 16 divisors (see below), whose sum is σ = 23074560. Its totient is φ = 10574784.

The previous prime is 16123321. The next prime is 16123351. The reversal of 16123345 is 54332161.

16123345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16123345 - 2⁵ = 16123313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9210 + ... + 10819.

It is an arithmetic number, because the mean of its divisors is an integer number (1442160).

Almost surely, 2^16123345 is an apocalyptic number.

It is an amenable number.

16123345 is a deficient number, since it is larger than the sum of its proper divisors (6951215).

16123345 is a wasteful number, since it uses less digits than its factorization.

16123345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20064.

The product of its digits is 2160, while the sum is 25.

The square root of 16123345 is about 4015.3885241655. The cubic root of 16123345 is about 252.6300738176.

The spelling of 16123345 in words is "sixteen million, one hundred twenty-three thousand, three hundred forty-five".