23081405000 has 80 divisors (see below), whose sum is σ = 54176767260. Its totient is φ = 9216000000.

The previous prime is 23081404999. The next prime is 23081405003. The reversal of 23081405000 is 50418032.

It can be written as a sum of positive squares in 10 ways, for example, as 1110916 + 23080294084 = 1054^2 + 151922^2 .

It is not an unprimeable number, because it can be changed into a prime (23081405003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3001160 + ... + 3008840.

Almost surely, 2^23081405000 is an apocalyptic number.

23081405000 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 23081405000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27088383630).

23081405000 is an abundant number, since it is smaller than the sum of its proper divisors (31095362260).

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

23081405000 is an equidigital number, since it uses as much as digits as its factorization.

23081405000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308 (or 8289 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 23081405000 in words is "twenty-three billion, eighty-one million, four hundred five thousand".