23053240 has 64 divisors (see below), whose sum is σ = 59693760. Its totient is φ = 7848960.

The previous prime is 23053237. The next prime is 23053259. The reversal of 23053240 is 4235032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78534 + ... + 78826.

It is an arithmetic number, because the mean of its divisors is an integer number (932715).

Almost surely, 2^23053240 is an apocalyptic number.

23053240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23053240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29846880).

23053240 is an abundant number, since it is smaller than the sum of its proper divisors (36640520).

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

23053240 is a wasteful number, since it uses less digits than its factorization.

23053240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 23053240 is about 4801.3789685881. The cubic root of 23053240 is about 284.6059600183.

Adding to 23053240 its reverse (4235032), we get a palindrome (27288272).

The spelling of 23053240 in words is "twenty-three million, fifty-three thousand, two hundred forty".