23105030 has 32 divisors (see below), whose sum is σ = 45045504. Its totient is φ = 8482176.

The previous prime is 23105021. The next prime is 23105039. The reversal of 23105030 is 3050132.

23105030 = 159² + 160² + ... + 418².

It is an interprime number because it is at equal distance from previous prime (23105021) and next prime (23105039).

It is a super-3 number, since 3×23105030³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23104996 and 23105014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23105039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28592 + ... + 29388.

It is an arithmetic number, because the mean of its divisors is an integer number (1407672).

Almost surely, 2^23105030 is an apocalyptic number.

23105030 is a deficient number, since it is larger than the sum of its proper divisors (21940474).

23105030 is a wasteful number, since it uses less digits than its factorization.

23105030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 23105030 is about 4806.7691852220. The cubic root of 23105030 is about 284.8189267368.

Adding to 23105030 its reverse (3050132), we get a palindrome (26155162).

The spelling of 23105030 in words is "twenty-three million, one hundred five thousand, thirty".