23104310420 has 24 divisors (see below), whose sum is σ = 48672122184. Its totient is φ = 9212567936.

The previous prime is 23104310417. The next prime is 23104310443. The reversal of 23104310420 is 2401340132.

It can be written as a sum of positive squares in 4 ways, for example, as 132664324 + 22971646096 = 11518^2 + 151564^2 .

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 = 23104310392 and 23104310401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815767 + ... + 1828446.

It is an arithmetic number, because the mean of its divisors is an integer number (2028005091).

Almost surely, 2^23104310420 is an apocalyptic number.

23104310420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23104310420 is an abundant number, since it is smaller than the sum of its proper divisors (25567811764).

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

23104310420 is a wasteful number, since it uses less digits than its factorization.

23104310420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644539 (or 3644537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23104310420 its reverse (2401340132), we get a palindrome (25505650552).

The spelling of 23104310420 in words is "twenty-three billion, one hundred four million, three hundred ten thousand, four hundred twenty".