23060440 has 64 divisors (see below), whose sum is σ = 56871360. Its totient is φ = 8363520.

The previous prime is 23060437. The next prime is 23060441. The reversal of 23060440 is 4406032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23060441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31357 + ... + 32083.

It is an arithmetic number, because the mean of its divisors is an integer number (888615).

Almost surely, 2^23060440 is an apocalyptic number.

23060440 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 23060440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28435680).

23060440 is an abundant number, since it is smaller than the sum of its proper divisors (33810920).

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

23060440 is a wasteful number, since it uses less digits than its factorization.

23060440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23060440 is about 4802.1286946520. The cubic root of 23060440 is about 284.6355863618.

Adding to 23060440 its reverse (4406032), we get a palindrome (27466472).

The spelling of 23060440 in words is "twenty-three million, sixty thousand, four hundred forty".