22987343 has 4 divisors (see below), whose sum is σ = 23780040. Its totient is φ = 22194648.

The previous prime is 22987331. The next prime is 22987379. The reversal of 22987343 is 34378922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34378922 = 2 ⋅17189461.

It is a cyclic number.

It is not a de Polignac number, because 22987343 - 2¹⁶ = 22921807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22987297 and 22987306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22987243) 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, 396305 + ... + 396362.

It is an arithmetic number, because the mean of its divisors is an integer number (5945010).

Almost surely, 2^22987343 is an apocalyptic number.

22987343 is a deficient number, since it is larger than the sum of its proper divisors (792697).

22987343 is an equidigital number, since it uses as much as digits as its factorization.

22987343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792696.

The product of its digits is 72576, while the sum is 38.

The square root of 22987343 is about 4794.5117582503. The cubic root of 22987343 is about 284.3345220010.

The spelling of 22987343 in words is "twenty-two million, nine hundred eighty-seven thousand, three hundred forty-three".