22890123 has 12 divisors (see below), whose sum is σ = 33109648. Its totient is φ = 15238800.

The previous prime is 22890113. The next prime is 22890151. The reversal of 22890123 is 32109822.

It is a happy number.

It is not a de Polignac number, because 22890123 - 2¹⁰ = 22889099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22890113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7698 + ... + 10248.

Almost surely, 2^22890123 is an apocalyptic number.

22890123 is a deficient number, since it is larger than the sum of its proper divisors (10219525).

22890123 is a wasteful number, since it uses less digits than its factorization.

22890123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 22890123 is about 4784.3623399571. The cubic root of 22890123 is about 283.9331117686.

Adding to 22890123 its reverse (32109822), we get a palindrome (54999945).

The spelling of 22890123 in words is "twenty-two million, eight hundred ninety thousand, one hundred twenty-three".