22870123 has 4 divisors (see below), whose sum is σ = 22884120. Its totient is φ = 22856128.

The previous prime is 22870121. The next prime is 22870139. The reversal of 22870123 is 32107822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32107822 = 2 ⋅16053911.

It is a cyclic number.

It is not a de Polignac number, because 22870123 - 2¹ = 22870121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22870121) 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, 4165 + ... + 7942.

It is an arithmetic number, because the mean of its divisors is an integer number (5721030).

Almost surely, 2^22870123 is an apocalyptic number.

22870123 is a deficient number, since it is larger than the sum of its proper divisors (13997).

22870123 is a wasteful number, since it uses less digits than its factorization.

22870123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13996.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 22870123 is about 4782.2717405016. The cubic root of 22870123 is about 283.8503931665.

Adding to 22870123 its reverse (32107822), we get a palindrome (54977945).

The spelling of 22870123 in words is "twenty-two million, eight hundred seventy thousand, one hundred twenty-three".