23797040 has 40 divisors (see below), whose sum is σ = 56514240. Its totient is φ = 9314816.

The previous prime is 23797021. The next prime is 23797043. The reversal of 23797040 is 4079732.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×23797040² = 1132598225523200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23796988 and 23797006.

It is not an unprimeable number, because it can be changed into a prime (23797043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596 + ... + 6924.

It is an arithmetic number, because the mean of its divisors is an integer number (1412856).

Almost surely, 2^23797040 is an apocalyptic number.

23797040 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 23797040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28257120).

23797040 is an abundant number, since it is smaller than the sum of its proper divisors (32717200).

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

23797040 is a wasteful number, since it uses less digits than its factorization.

23797040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389 (or 6383 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 23797040 is about 4878.2209872042. The cubic root of 23797040 is about 287.6345029124.

The spelling of 23797040 in words is "twenty-three million, seven hundred ninety-seven thousand, forty".