23047147020 has 96 divisors (see below), whose sum is σ = 65427183360. Its totient is φ = 6061236480.

The previous prime is 23047146973. The next prime is 23047147037. The reversal of 23047147020 is 2074174032.

It is a super-2 number, since 2×23047147020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1272186 + ... + 1290174.

It is an arithmetic number, because the mean of its divisors is an integer number (681533160).

Almost surely, 2^23047147020 is an apocalyptic number.

23047147020 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 23047147020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32713591680).

23047147020 is an abundant number, since it is smaller than the sum of its proper divisors (42380036340).

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

23047147020 is a wasteful number, since it uses less digits than its factorization.

23047147020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18295 (or 18293 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The spelling of 23047147020 in words is "twenty-three billion, forty-seven million, one hundred forty-seven thousand, twenty".