23147858020 has 24 divisors (see below), whose sum is σ = 55554859584. Its totient is φ = 7936408416.

The previous prime is 23147858003. The next prime is 23147858021. The reversal of 23147858020 is 2085874132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23147858021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82670782 + ... + 82671061.

It is an arithmetic number, because the mean of its divisors is an integer number (2314785816).

Almost surely, 2^23147858020 is an apocalyptic number.

23147858020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23147858020 is an abundant number, since it is smaller than the sum of its proper divisors (32407001564).

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

23147858020 is a wasteful number, since it uses less digits than its factorization.

23147858020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165341859 (or 165341857 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 23147858020 in words is "twenty-three billion, one hundred forty-seven million, eight hundred fifty-eight thousand, twenty".