23420772317446 has 96 divisors (see below), whose sum is σ = 44121411573120. Its totient is φ = 9265790620800.

The previous prime is 23420772317443. The next prime is 23420772317543. The reversal of 23420772317446 is 64471327702432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23420772317393 and 23420772317402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420772317443) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 61724221 + ... + 62102503.

It is an arithmetic number, because the mean of its divisors is an integer number (459598037220).

Almost surely, 2^{23420772317446} is an apocalyptic number.

23420772317446 is a deficient number, since it is larger than the sum of its proper divisors (20700639255674).

23420772317446 is a wasteful number, since it uses less digits than its factorization.

23420772317446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379170 (or 379163 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 52.

The spelling of 23420772317446 in words is "twenty-three trillion, four hundred twenty billion, seven hundred seventy-two million, three hundred seventeen thousand, four hundred forty-six".