23465435620 has 72 divisors (see below), whose sum is σ = 54773523000. Its totient is φ = 8436933120.

The previous prime is 23465435611. The next prime is 23465435627. The reversal of 23465435620 is 2653456432.

It can be written as a sum of positive squares in 4 ways, for example, as 5942559744 + 17522875876 = 77088^2 + 132374^2 .

It is not an unprimeable number, because it can be changed into a prime (23465435627) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 160906 + ... + 269854.

It is an arithmetic number, because the mean of its divisors is an integer number (760743375).

Almost surely, 2^23465435620 is an apocalyptic number.

23465435620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23465435620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27386761500).

23465435620 is an abundant number, since it is smaller than the sum of its proper divisors (31308087380).

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

23465435620 is a wasteful number, since it uses less digits than its factorization.

23465435620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109069 (or 109056 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 23465435620 in words is "twenty-three billion, four hundred sixty-five million, four hundred thirty-five thousand, six hundred twenty".