123377674456 has 16 divisors (see below), whose sum is σ = 231416785440. Its totient is φ = 61666531680.

The previous prime is 123377674423. The next prime is 123377674457. The reversal of 123377674456 is 654476773321.

It is a junction number, because it is equal to n+sod(n) for n = 123377674397 and 123377674406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123377674457) 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, 2764675 + ... + 2808946.

It is an arithmetic number, because the mean of its divisors is an integer number (14463549090).

Almost surely, 2^123377674456 is an apocalyptic number.

It is an amenable number.

123377674456 is a deficient number, since it is larger than the sum of its proper divisors (108039110984).

123377674456 is a wasteful number, since it uses less digits than its factorization.

123377674456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576394 (or 5576390 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 55.

The spelling of 123377674456 in words is "one hundred twenty-three billion, three hundred seventy-seven million, six hundred seventy-four thousand, four hundred fifty-six".