23021302032 has 80 divisors (see below), whose sum is σ = 66099628480. Its totient is φ = 7671449088.

The previous prime is 23021302021. The next prime is 23021302033. The reversal of 23021302032 is 23020312032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23021301996 and 23021302014.

It is not an unprimeable number, because it can be changed into a prime (23021302033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2006103 + ... + 2017545.

It is an arithmetic number, because the mean of its divisors is an integer number (826245356).

Almost surely, 2^23021302032 is an apocalyptic number.

It is an amenable number.

23021302032 is an abundant number, since it is smaller than the sum of its proper divisors (43078326448).

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

23021302032 is a wasteful number, since it uses less digits than its factorization.

23021302032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16117 (or 16105 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23021302032 its reverse (23020312032), we get a palindrome (46041614064).

The spelling of 23021302032 in words is "twenty-three billion, twenty-one million, three hundred two thousand, thirty-two".