23140220032 has 32 divisors (see below), whose sum is σ = 46748966400. Its totient is φ = 11407146240.

The previous prime is 23140220003. The next prime is 23140220053. The reversal of 23140220032 is 23002204132.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 23140219991 and 23140220009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264032 + ... + 1282207.

It is an arithmetic number, because the mean of its divisors is an integer number (1460905200).

Almost surely, 2^23140220032 is an apocalyptic number.

It is an amenable number.

23140220032 is an abundant number, since it is smaller than the sum of its proper divisors (23608746368).

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

23140220032 is an equidigital number, since it uses as much as digits as its factorization.

23140220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546324 (or 2546312 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23140220032 its reverse (23002204132), we get a palindrome (46142424164).

The spelling of 23140220032 in words is "twenty-three billion, one hundred forty million, two hundred twenty thousand, thirty-two".