123677585776321 has 4 divisors (see below), whose sum is σ = 123677697900544. Its totient is φ = 123677473652100.

The previous prime is 123677585776267. The next prime is 123677585776331.

123677585776321 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123677585776321 - 2⁷ = 123677585776193 is a prime.

It is a super-2 number, since 2×123677585776321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123677585776331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54390945 + ... + 56619166.

It is an arithmetic number, because the mean of its divisors is an integer number (30919424475136).

Almost surely, 2^{123677585776321} is an apocalyptic number.

It is an amenable number.

123677585776321 is a deficient number, since it is larger than the sum of its proper divisors (112124223).

123677585776321 is a wasteful number, since it uses less digits than its factorization.

123677585776321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112124222.

The product of its digits is 622339200, while the sum is 70.

The spelling of 123677585776321 in words is "one hundred twenty-three trillion, six hundred seventy-seven billion, five hundred eighty-five million, seven hundred seventy-six thousand, three hundred twenty-one".