23464421564 has 48 divisors (see below), whose sum is σ = 46740395520. Its totient is φ = 10238319360.

The previous prime is 23464421557. The next prime is 23464421569. The reversal of 23464421564 is 46512446432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23464421569) 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 15 ways as a sum of consecutive naturals, for example, 132482 + ... + 253929.

It is an arithmetic number, because the mean of its divisors is an integer number (973758240).

Almost surely, 2^23464421564 is an apocalyptic number.

It is an amenable number.

23464421564 is a deficient number, since it is larger than the sum of its proper divisors (23275973956).

23464421564 is a wasteful number, since it uses less digits than its factorization.

23464421564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386498 (or 386496 counting only the distinct ones).

The product of its digits is 552960, while the sum is 41.

Adding to 23464421564 its reverse (46512446432), we get a palindrome (69976867996).

The spelling of 23464421564 in words is "twenty-three billion, four hundred sixty-four million, four hundred twenty-one thousand, five hundred sixty-four".