123984780597 has 16 divisors (see below), whose sum is σ = 183690334080. Its totient is φ = 82652390496.

The previous prime is 123984780593. The next prime is 123984780641. The reversal of 123984780597 is 795087489321.

123984780597 is a `hidden beast` number, since 1 + 2 + 39 + 8 + 4 + 7 + 8 + 0 + 597 = 666.

It is not a de Polignac number, because 123984780597 - 2² = 123984780593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123984780593) 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, 494488 + ... + 701774.

It is an arithmetic number, because the mean of its divisors is an integer number (11480645880).

Almost surely, 2^123984780597 is an apocalyptic number.

It is an amenable number.

123984780597 is a deficient number, since it is larger than the sum of its proper divisors (59705553483).

123984780597 is a wasteful number, since it uses less digits than its factorization.

123984780597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229449 (or 229443 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 123984780597 in words is "one hundred twenty-three billion, nine hundred eighty-four million, seven hundred eighty thousand, five hundred ninety-seven".