23036340 has 48 divisors (see below), whose sum is σ = 67310208. Its totient is φ = 5875584.

The previous prime is 23036339. The next prime is 23036357. The reversal of 23036340 is 4363032.

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, 6967 + ... + 9726.

It is an arithmetic number, because the mean of its divisors is an integer number (1402296).

Almost surely, 2^23036340 is an apocalyptic number.

23036340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23036340 is an abundant number, since it is smaller than the sum of its proper divisors (44273868).

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

23036340 is a wasteful number, since it uses less digits than its factorization.

23036340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728 (or 16726 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 23036340 is about 4799.6187348580. The cubic root of 23036340 is about 284.5363961660.

Adding to 23036340 its reverse (4363032), we get a palindrome (27399372).

The spelling of 23036340 in words is "twenty-three million, thirty-six thousand, three hundred forty".