23841020 has 24 divisors (see below), whose sum is σ = 57218784. Its totient is φ = 8174016.

The previous prime is 23841017. The next prime is 23841023. The reversal of 23841020 is 2014832.

It is an interprime number because it is at equal distance from previous prime (23841017) and next prime (23841023).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23840983 and 23841001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23841023) 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, 85007 + ... + 85286.

It is an arithmetic number, because the mean of its divisors is an integer number (2384116).

Almost surely, 2^23841020 is an apocalyptic number.

23841020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23841020 is an abundant number, since it is smaller than the sum of its proper divisors (33377764).

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

23841020 is a wasteful number, since it uses less digits than its factorization.

23841020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170309 (or 170307 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 23841020 is about 4882.7266972461. The cubic root of 23841020 is about 287.8115890876.

Adding to 23841020 its reverse (2014832), we get a palindrome (25855852).

The spelling of 23841020 in words is "twenty-three million, eight hundred forty-one thousand, twenty".