23422989 has 8 divisors (see below), whose sum is σ = 31411872. Its totient is φ = 15524720.

The previous prime is 23422951. The next prime is 23423047. The reversal of 23422989 is 98922432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23422989 - 2¹⁵ = 23390221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22047 + ... + 23084.

It is an arithmetic number, because the mean of its divisors is an integer number (3926484).

Almost surely, 2^23422989 is an apocalyptic number.

It is an amenable number.

23422989 is a deficient number, since it is larger than the sum of its proper divisors (7988883).

23422989 is a wasteful number, since it uses less digits than its factorization.

23422989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45307.

The product of its digits is 62208, while the sum is 39.

The square root of 23422989 is about 4839.7302610786. The cubic root of 23422989 is about 286.1194872954.

The spelling of 23422989 in words is "twenty-three million, four hundred twenty-two thousand, nine hundred eighty-nine".