123947830875 has 512 divisors, whose sum is σ = 267480465408. Its totient is φ = 50181120000.

The previous prime is 123947830847. The next prime is 123947830879. The reversal of 123947830875 is 578038749321.

It is not a de Polignac number, because 123947830875 - 2¹⁰ = 123947829851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123947830879) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 1849967592 + ... + 1849967658.

It is an arithmetic number, because the mean of its divisors is an integer number (522422784).

Almost surely, 2^123947830875 is an apocalyptic number.

123947830875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123947830875 is an abundant number, since it is smaller than the sum of its proper divisors (143532634533).

123947830875 is a wasteful number, since it uses less digits than its factorization.

123947830875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 123947830875 in words is "one hundred twenty-three billion, nine hundred forty-seven million, eight hundred thirty thousand, eight hundred seventy-five".