13622023 has 4 divisors (see below), whose sum is σ = 13703760. Its totient is φ = 13540288.

The previous prime is 13622009. The next prime is 13622039. The reversal of 13622023 is 32022631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13622023 - 2⁵ = 13621991 is a prime.

It is a super-2 number, since 2×13622023² = 371119021225058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13622053) 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, 40618 + ... + 40951.

It is an arithmetic number, because the mean of its divisors is an integer number (3425940).

Almost surely, 2^13622023 is an apocalyptic number.

13622023 is a deficient number, since it is larger than the sum of its proper divisors (81737).

13622023 is an equidigital number, since it uses as much as digits as its factorization.

13622023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81736.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13622023 is about 3690.8024872648. The cubic root of 13622023 is about 238.8254124319.

Adding to 13622023 its reverse (32022631), we get a palindrome (45644654).

It can be divided in two parts, 136 and 22023, that multiplied together give a triangular number (2995128 = T₂₄₄₇).

The spelling of 13622023 in words is "thirteen million, six hundred twenty-two thousand, twenty-three".