23350240 has 48 divisors (see below), whose sum is σ = 58075920. Its totient is φ = 8847360.

The previous prime is 23350199. The next prime is 23350241. The reversal of 23350240 is 4205332.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23350241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801 + ... + 6880.

It is an arithmetic number, because the mean of its divisors is an integer number (1209915).

Almost surely, 2^23350240 is an apocalyptic number.

23350240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23350240 is an abundant number, since it is smaller than the sum of its proper divisors (34725680).

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

23350240 is a wasteful number, since it uses less digits than its factorization.

23350240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715 (or 7707 counting only the distinct ones).

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

The square root of 23350240 is about 4832.2086047686. The cubic root of 23350240 is about 285.8229624671.

Adding to 23350240 its reverse (4205332), we get a palindrome (27555572).

The spelling of 23350240 in words is "twenty-three million, three hundred fifty thousand, two hundred forty".