14428623 has 16 divisors (see below), whose sum is σ = 21052800. Its totient is φ = 8717280.

The previous prime is 14428559. The next prime is 14428643. The reversal of 14428623 is 32682441.

It is not a de Polignac number, because 14428623 - 2⁶ = 14428559 is a prime.

It is a super-2 number, since 2×14428623² = 416370323352258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14428643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16368 + ... + 17226.

It is an arithmetic number, because the mean of its divisors is an integer number (1315800).

Almost surely, 2^14428623 is an apocalyptic number.

14428623 is a deficient number, since it is larger than the sum of its proper divisors (6624177).

14428623 is a wasteful number, since it uses less digits than its factorization.

14428623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its digits is 9216, while the sum is 30.

The square root of 14428623 is about 3798.5027313403. The cubic root of 14428623 is about 243.4491683856.

It can be divided in two parts, 14428 and 623, that added together give a palindrome (15051).

The spelling of 14428623 in words is "fourteen million, four hundred twenty-eight thousand, six hundred twenty-three".