23121523446604 has 24 divisors (see below), whose sum is σ = 44141531245056. Its totient is φ = 10509678378000.

The previous prime is 23121523446587. The next prime is 23121523446629. The reversal of 23121523446604 is 40664432512132.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 1916989 + ... + 7065259.

It is an arithmetic number, because the mean of its divisors is an integer number (1839230468544).

Almost surely, 2^{23121523446604} is an apocalyptic number.

It is an amenable number.

23121523446604 is a deficient number, since it is larger than the sum of its proper divisors (21020007798452).

23121523446604 is a wasteful number, since it uses less digits than its factorization.

23121523446604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250357 (or 5250355 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 23121523446604 its reverse (40664432512132), we get a palindrome (63785955958736).

The spelling of 23121523446604 in words is "twenty-three trillion, one hundred twenty-one billion, five hundred twenty-three million, four hundred forty-six thousand, six hundred four".