23404043020 has 12 divisors (see below), whose sum is σ = 49148490384. Its totient is φ = 9361617200.

The previous prime is 23404043009. The next prime is 23404043083. The reversal of 23404043020 is 2034040432.

It is a junction number, because it is equal to n+sod(n) for n = 23404042982 and 23404043000.

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, 585101056 + ... + 585101095.

It is an arithmetic number, because the mean of its divisors is an integer number (4095707532).

Almost surely, 2^23404043020 is an apocalyptic number.

23404043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404043020 is an abundant number, since it is smaller than the sum of its proper divisors (25744447364).

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

23404043020 is a wasteful number, since it uses less digits than its factorization.

23404043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170202160 (or 1170202158 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 23404043020 its reverse (2034040432), we get a palindrome (25438083452).

The spelling of 23404043020 in words is "twenty-three billion, four hundred four million, forty-three thousand, twenty".