23423020 has 24 divisors (see below), whose sum is σ = 49744800. Its totient is φ = 9263232.

The previous prime is 23422951. The next prime is 23423047. The reversal of 23423020 is 2032432.

It is a junction number, because it is equal to n+sod(n) for n = 23422985 and 23423003.

It is an unprimeable number.

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, 4800 + ... + 8359.

It is an arithmetic number, because the mean of its divisors is an integer number (2072700).

Almost surely, 2^23423020 is an apocalyptic number.

23423020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23423020 is an abundant number, since it is smaller than the sum of its proper divisors (26321780).

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

23423020 is a wasteful number, since it uses less digits than its factorization.

23423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257 (or 13255 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 23423020 is about 4839.7334637354. The cubic root of 23423020 is about 286.1196135204.

Adding to 23423020 its reverse (2032432), we get a palindrome (25455452).

The spelling of 23423020 in words is "twenty-three million, four hundred twenty-three thousand, twenty".