23240620 has 24 divisors (see below), whose sum is σ = 52560144. Its totient is φ = 8581056.

The previous prime is 23240617. The next prime is 23240627. The reversal of 23240620 is 2604232.

It is not an unprimeable number, because it can be changed into a prime (23240627) 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, 44434 + ... + 44953.

It is an arithmetic number, because the mean of its divisors is an integer number (2190006).

Almost surely, 2^23240620 is an apocalyptic number.

23240620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240620 is an abundant number, since it is smaller than the sum of its proper divisors (29319524).

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

23240620 is a wasteful number, since it uses less digits than its factorization.

23240620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89409 (or 89407 counting only the distinct ones).

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

The square root of 23240620 is about 4820.8526216843. The cubic root of 23240620 is about 285.3749860341.

Adding to 23240620 its reverse (2604232), we get a palindrome (25844852).

The spelling of 23240620 in words is "twenty-three million, two hundred forty thousand, six hundred twenty".