23172516126742 has 64 divisors (see below), whose sum is σ = 37294582837248. Its totient is φ = 10760173632000.

The previous prime is 23172516126709. The next prime is 23172516126761. The reversal of 23172516126742 is 24762161527132.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2706116953 + ... + 2706125515.

It is an arithmetic number, because the mean of its divisors is an integer number (582727856832).

Almost surely, 2^{23172516126742} is an apocalyptic number.

23172516126742 is a deficient number, since it is larger than the sum of its proper divisors (14122066710506).

23172516126742 is a wasteful number, since it uses less digits than its factorization.

23172516126742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12085.

The product of its digits is 1693440, while the sum is 49.

The spelling of 23172516126742 in words is "twenty-three trillion, one hundred seventy-two billion, five hundred sixteen million, one hundred twenty-six thousand, seven hundred forty-two".