677320456023 has 24 divisors (see below), whose sum is σ = 986244395760. Its totient is φ = 447914862720.

The previous prime is 677320455991. The next prime is 677320456031. The reversal of 677320456023 is 320654023776.

677320456023 is a `hidden beast` number, since 6 + 7 + 7 + 32 + 0 + 4 + 5 + 602 + 3 = 666.

It is not a de Polignac number, because 677320456023 - 2⁵ = 677320455991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677320456023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677320456093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321213 + ... + 1207401.

It is an arithmetic number, because the mean of its divisors is an integer number (41093516490).

Almost surely, 2^677320456023 is an apocalyptic number.

677320456023 is a deficient number, since it is larger than the sum of its proper divisors (308923939737).

677320456023 is a wasteful number, since it uses less digits than its factorization.

677320456023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886879 (or 886876 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

Adding to 677320456023 its reverse (320654023776), we get a palindrome (997974479799).

The spelling of 677320456023 in words is "six hundred seventy-seven billion, three hundred twenty million, four hundred fifty-six thousand, twenty-three".