23142211440032 has 48 divisors (see below), whose sum is σ = 48961320549120. Its totient is φ = 10727908359168.

The previous prime is 23142211440017. The next prime is 23142211440077. The reversal of 23142211440032 is 23004411224132.

It is a super-2 number, since 2×23142211440032² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23142211439977 and 23142211440004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317432432 + ... + 317505327.

It is an arithmetic number, because the mean of its divisors is an integer number (1020027511440).

Almost surely, 2^{23142211440032} is an apocalyptic number.

It is an amenable number.

23142211440032 is an abundant number, since it is smaller than the sum of its proper divisors (25819109109088).

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

23142211440032 is a wasteful number, since it uses less digits than its factorization.

23142211440032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634937853 (or 634937845 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 23142211440032 its reverse (23004411224132), we get a palindrome (46146622664164).

The spelling of 23142211440032 in words is "twenty-three trillion, one hundred forty-two billion, two hundred eleven million, four hundred forty thousand, thirty-two".