23140326 has 32 divisors (see below), whose sum is σ = 51251328. Its totient is φ = 6906240.

The previous prime is 23140319. The next prime is 23140357. The reversal of 23140326 is 62304132.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1806 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (1601604).

Almost surely, 2^23140326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23140326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25625664).

23140326 is an abundant number, since it is smaller than the sum of its proper divisors (28111002).

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

23140326 is a wasteful number, since it uses less digits than its factorization.

23140326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23140326 is about 4810.4392730810. The cubic root of 23140326 is about 284.9638858518.

Adding to 23140326 its reverse (62304132), we get a palindrome (85444458).

The spelling of 23140326 in words is "twenty-three million, one hundred forty thousand, three hundred twenty-six".