16123001 has 4 divisors (see below), whose sum is σ = 16971600. Its totient is φ = 15274404.

The previous prime is 16122983. The next prime is 16123013. The reversal of 16123001 is 10032161.

16123001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10032161 = 163 ⋅61547.

It is not a de Polignac number, because 16123001 - 2¹⁴ = 16106617 is a prime.

It is a super-2 number, since 2×16123001² = 519902322492002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16123201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424271 + ... + 424308.

It is an arithmetic number, because the mean of its divisors is an integer number (4242900).

Almost surely, 2^16123001 is an apocalyptic number.

It is an amenable number.

16123001 is a deficient number, since it is larger than the sum of its proper divisors (848599).

16123001 is an equidigital number, since it uses as much as digits as its factorization.

16123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848598.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 16123001 is about 4015.3456887297. The cubic root of 16123001 is about 252.6282771399.

Adding to 16123001 its reverse (10032161), we get a palindrome (26155162).

The spelling of 16123001 in words is "sixteen million, one hundred twenty-three thousand, one".