123296677649 has 16 divisors (see below), whose sum is σ = 126806846208. Its totient is φ = 119824503552.

The previous prime is 123296677627. The next prime is 123296677661. The reversal of 123296677649 is 946776692321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123296677649 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123296677591 and 123296677600.

It is not an unprimeable number, because it can be changed into a prime (123296677619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13107782 + ... + 13117184.

It is an arithmetic number, because the mean of its divisors is an integer number (7925427888).

Almost surely, 2^123296677649 is an apocalyptic number.

It is an amenable number.

123296677649 is a deficient number, since it is larger than the sum of its proper divisors (3510168559).

123296677649 is a wasteful number, since it uses less digits than its factorization.

123296677649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384.

The product of its digits is 41150592, while the sum is 62.

The spelling of 123296677649 in words is "one hundred twenty-three billion, two hundred ninety-six million, six hundred seventy-seven thousand, six hundred forty-nine".