23456605973146 has 4 divisors (see below), whose sum is σ = 35184908959722. Its totient is φ = 11728302986572.

The previous prime is 23456605973131. The next prime is 23456605973149. The reversal of 23456605973146 is 64137950665432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15445096500625 + 8011509472521 = 3930025^2 + 2830461^2 .

It is not an unprimeable number, because it can be changed into a prime (23456605973149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5864151493285 + ... + 5864151493288.

Almost surely, 2^{23456605973146} is an apocalyptic number.

23456605973146 is a deficient number, since it is larger than the sum of its proper divisors (11728302986576).

23456605973146 is a wasteful number, since it uses less digits than its factorization.

23456605973146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11728302986575.

The product of its (nonzero) digits is 97977600, while the sum is 61.

The spelling of 23456605973146 in words is "twenty-three trillion, four hundred fifty-six billion, six hundred five million, nine hundred seventy-three thousand, one hundred forty-six".