23240826 has 48 divisors (see below), whose sum is σ = 58428864. Its totient is φ = 6538752.

The previous prime is 23240797. The next prime is 23240831. The reversal of 23240826 is 62804232.

23240826 is a `hidden beast` number, since 232 + 408 + 26 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23240826.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 7066 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (1217268).

Almost surely, 2^23240826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23240826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29214432).

23240826 is an abundant number, since it is smaller than the sum of its proper divisors (35188038).

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

23240826 is a wasteful number, since it uses less digits than its factorization.

23240826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 23240826 is about 4820.8739871521. The cubic root of 23240826 is about 285.3758291997.

The spelling of 23240826 in words is "twenty-three million, two hundred forty thousand, eight hundred twenty-six".