23154447647677 has 8 divisors (see below), whose sum is σ = 23647328716032. Its totient is φ = 22661576298000.

The previous prime is 23154447647657. The next prime is 23154447647701. The reversal of 23154447647677 is 77674674445132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23154447647677 - 2²³ = 23154439259069 is a prime.

It is a super-2 number, since 2×23154447647677² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154447647657) 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 7 ways as a sum of consecutive naturals, for example, 2490927 + ... + 7246627.

It is an arithmetic number, because the mean of its divisors is an integer number (2955916089504).

Almost surely, 2^{23154447647677} is an apocalyptic number.

It is an amenable number.

23154447647677 is a deficient number, since it is larger than the sum of its proper divisors (492881068355).

23154447647677 is a wasteful number, since it uses less digits than its factorization.

23154447647677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859339.

The product of its digits is 663828480, while the sum is 67.

The spelling of 23154447647677 in words is "twenty-three trillion, one hundred fifty-four billion, four hundred forty-seven million, six hundred forty-seven thousand, six hundred seventy-seven".