23425616540420 has 48 divisors (see below), whose sum is σ = 49272846058800. Its totient is φ = 9355190599680.

The previous prime is 23425616540413. The next prime is 23425616540527. The reversal of 23425616540420 is 2404561652432.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 133255661764 + 23292360878656 = 365042^2 + 4826216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534943886 + ... + 534987674.

It is an arithmetic number, because the mean of its divisors is an integer number (1026517626225).

Almost surely, 2^{23425616540420} is an apocalyptic number.

23425616540420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23425616540420 is an abundant number, since it is smaller than the sum of its proper divisors (25847229518380).

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

23425616540420 is a wasteful number, since it uses less digits than its factorization.

23425616540420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86168 (or 86166 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 23425616540420 in words is "twenty-three trillion, four hundred twenty-five billion, six hundred sixteen million, five hundred forty thousand, four hundred twenty".