23140220022 has 16 divisors (see below), whose sum is σ = 51422711280. Its totient is φ = 7713406656.

The previous prime is 23140220003. The next prime is 23140220053. The reversal of 23140220022 is 22002204132.

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 = 23140219977 and 23140220004.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 214261243 + ... + 214261350.

It is an arithmetic number, because the mean of its divisors is an integer number (3213919455).

Almost surely, 2^23140220022 is an apocalyptic number.

23140220022 is an abundant number, since it is smaller than the sum of its proper divisors (28282491258).

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

23140220022 is a wasteful number, since it uses less digits than its factorization.

23140220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428522604 (or 428522598 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23140220022 its reverse (22002204132), we get a palindrome (45142424154).

The spelling of 23140220022 in words is "twenty-three billion, one hundred forty million, two hundred twenty thousand, twenty-two".