23090430 has 48 divisors (see below), whose sum is σ = 60922512. Its totient is φ = 5596800.

The previous prime is 23090423. The next prime is 23090447. The reversal of 23090430 is 3409032.

It is a junction number, because it is equal to n+sod(n) for n = 23090397 and 23090406.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 450 + ... + 6810.

It is an arithmetic number, because the mean of its divisors is an integer number (1269219).

Almost surely, 2^23090430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23090430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30461256).

23090430 is an abundant number, since it is smaller than the sum of its proper divisors (37832082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23090430 is a wasteful number, since it uses less digits than its factorization.

23090430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393 (or 6382 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23090430 is about 4805.2502536288. The cubic root of 23090430 is about 284.7589220175.

Adding to 23090430 its reverse (3409032), we get a palindrome (26499462).

The spelling of 23090430 in words is "twenty-three million, ninety thousand, four hundred thirty".