23140432133212 has 12 divisors (see below), whose sum is σ = 41892161620680. Its totient is φ = 11171243098736.

The previous prime is 23140432133171. The next prime is 23140432133227. The reversal of 23140432133212 is 21233123404132.

It is a congruent number.

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, 99743241838 + ... + 99743242069.

It is an arithmetic number, because the mean of its divisors is an integer number (3491013468390).

Almost surely, 2^{23140432133212} is an apocalyptic number.

It is an amenable number.

23140432133212 is a deficient number, since it is larger than the sum of its proper divisors (18751729487468).

23140432133212 is a wasteful number, since it uses less digits than its factorization.

23140432133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199486483940 (or 199486483938 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 23140432133212 its reverse (21233123404132), we get a palindrome (44373555537344).

The spelling of 23140432133212 in words is "twenty-three trillion, one hundred forty billion, four hundred thirty-two million, one hundred thirty-three thousand, two hundred twelve".