23051730 has 32 divisors (see below), whose sum is σ = 59580864. Its totient is φ = 5674176.

The previous prime is 23051719. The next prime is 23051747. The reversal of 23051730 is 3715032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23051697 and 23051706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29164 + ... + 29943.

It is an arithmetic number, because the mean of its divisors is an integer number (1861902).

Almost surely, 2^23051730 is an apocalyptic number.

23051730 is an abundant number, since it is smaller than the sum of its proper divisors (36529134).

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

23051730 is a wasteful number, since it uses less digits than its factorization.

23051730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59130.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 23051730 is about 4801.2217195210. The cubic root of 23051730 is about 284.5997459333.

Adding to 23051730 its reverse (3715032), we get a palindrome (26766762).

The spelling of 23051730 in words is "twenty-three million, fifty-one thousand, seven hundred thirty".