23404212420 has 24 divisors (see below), whose sum is σ = 65531794944. Its totient is φ = 6241123296.

The previous prime is 23404212367. The next prime is 23404212457. The reversal of 23404212420 is 2421240432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195035044 + ... + 195035163.

It is an arithmetic number, because the mean of its divisors is an integer number (2730491456).

Almost surely, 2^23404212420 is an apocalyptic number.

23404212420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404212420 is an abundant number, since it is smaller than the sum of its proper divisors (42127582524).

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

23404212420 is a wasteful number, since it uses less digits than its factorization.

23404212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390070219 (or 390070217 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 23404212420 its reverse (2421240432), we get a palindrome (25825452852).

The spelling of 23404212420 in words is "twenty-three billion, four hundred four million, two hundred twelve thousand, four hundred twenty".