23235040 has 24 divisors (see below), whose sum is σ = 54893160. Its totient is φ = 9293952.

The previous prime is 23235019. The next prime is 23235053. The reversal of 23235040 is 4053232.

It is a junction number, because it is equal to n+sod(n) for n = 23234999 and 23235017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72450 + ... + 72769.

It is an arithmetic number, because the mean of its divisors is an integer number (2287215).

Almost surely, 2^23235040 is an apocalyptic number.

23235040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23235040 is an abundant number, since it is smaller than the sum of its proper divisors (31658120).

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

23235040 is a wasteful number, since it uses less digits than its factorization.

23235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145234 (or 145226 counting only the distinct ones).

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

The square root of 23235040 is about 4820.2738511417. The cubic root of 23235040 is about 285.3521449928.

Adding to 23235040 its reverse (4053232), we get a palindrome (27288272).

The spelling of 23235040 in words is "twenty-three million, two hundred thirty-five thousand, forty".