23300040 has 32 divisors (see below), whose sum is σ = 69900480. Its totient is φ = 6213312.

The previous prime is 23300029. The next prime is 23300041. The reversal of 23300040 is 4000332.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 23299989 and 23300025.

It is not an unprimeable number, because it can be changed into a prime (23300041) 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, 96964 + ... + 97203.

It is an arithmetic number, because the mean of its divisors is an integer number (2184390).

Almost surely, 2^23300040 is an apocalyptic number.

23300040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23300040 is an abundant number, since it is smaller than the sum of its proper divisors (46600440).

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

23300040 is a wasteful number, since it uses less digits than its factorization.

23300040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194181 (or 194177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 23300040 is about 4827.0114978110. The cubic root of 23300040 is about 285.6179880235.

Adding to 23300040 its reverse (4000332), we get a palindrome (27300372).

The spelling of 23300040 in words is "twenty-three million, three hundred thousand, forty".