23215026 has 16 divisors (see below), whose sum is σ = 46627200. Its totient is φ = 7705488.

The previous prime is 23215009. The next prime is 23215079. The reversal of 23215026 is 62051232.

It is a junction number, because it is equal to n+sod(n) for n = 23214993 and 23215011.

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 7 ways as a sum of consecutive naturals, for example, 6661 + ... + 9528.

It is an arithmetic number, because the mean of its divisors is an integer number (2914200).

Almost surely, 2^23215026 is an apocalyptic number.

23215026 is an abundant number, since it is smaller than the sum of its proper divisors (23412174).

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

23215026 is a wasteful number, since it uses less digits than its factorization.

23215026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23215026 is about 4818.1973807639. The cubic root of 23215026 is about 285.2701900605.

Adding to 23215026 its reverse (62051232), we get a palindrome (85266258).

The spelling of 23215026 in words is "twenty-three million, two hundred fifteen thousand, twenty-six".