247882923 has 20 divisors (see below), whose sum is σ = 383066640. Its totient is φ = 159555312.

The previous prime is 247882919. The next prime is 247882931. The reversal of 247882923 is 329288742.

It is not a de Polignac number, because 247882923 - 2² = 247882919 is a prime.

It is a super-2 number, since 2×247882923² = 122891887030047858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247882123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50415 + ... + 55112.

It is an arithmetic number, because the mean of its divisors is an integer number (19153332).

Almost surely, 2^247882923 is an apocalyptic number.

247882923 is a deficient number, since it is larger than the sum of its proper divisors (135183717).

247882923 is a wasteful number, since it uses less digits than its factorization.

247882923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105568 (or 105559 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 247882923 is about 15744.2981107447. The cubic root of 247882923 is about 628.1772484049.

The spelling of 247882923 in words is "two hundred forty-seven million, eight hundred eighty-two thousand, nine hundred twenty-three".