23221123000002 has 24 divisors (see below), whose sum is σ = 50387191637484. Its totient is φ = 7728873030144.

The previous prime is 23221122999989. The next prime is 23221123000007. The reversal of 23221123000002 is 20000032112232.

It can be written as a sum of positive squares in 2 ways, for example, as 22494825322641 + 726297677361 = 4742871^2 + 852231^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23221123000007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958429483 + ... + 958453710.

Almost surely, 2^{23221123000002} is an apocalyptic number.

23221123000002 is an abundant number, since it is smaller than the sum of its proper divisors (27166068637482).

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

23221123000002 is a wasteful number, since it uses less digits than its factorization.

23221123000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916883874 (or 1916883871 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23221123000002 its reverse (20000032112232), we get a palindrome (43221155112234).

The spelling of 23221123000002 in words is "twenty-three trillion, two hundred twenty-one billion, one hundred twenty-three million, two", and thus it is an aban number.