14640623 has 4 divisors (see below), whose sum is σ = 14680248. Its totient is φ = 14601000.

The previous prime is 14640607. The next prime is 14640631. The reversal of 14640623 is 32604641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32604641 = 83 ⋅392827.

It is a cyclic number.

It is not a de Polignac number, because 14640623 - 2⁴ = 14640607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14640592 and 14640601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640653) 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, 19253 + ... + 19998.

It is an arithmetic number, because the mean of its divisors is an integer number (3670062).

Almost surely, 2^14640623 is an apocalyptic number.

14640623 is a deficient number, since it is larger than the sum of its proper divisors (39625).

14640623 is an equidigital number, since it uses as much as digits as its factorization.

14640623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39624.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 14640623 is about 3826.3067049049. The cubic root of 14640623 is about 244.6357101688.

The spelling of 14640623 in words is "fourteen million, six hundred forty thousand, six hundred twenty-three".