47747146723 has 12 divisors (see below), whose sum is σ = 51008778000. Its totient is φ = 44609023536.

The previous prime is 47747146687. The next prime is 47747146729. The reversal of 47747146723 is 32764174774.

It is a de Polignac number, because none of the positive numbers 2^k-47747146723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47747146729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518848 + ... + 603901.

It is an arithmetic number, because the mean of its divisors is an integer number (4250731500).

Almost surely, 2^47747146723 is an apocalyptic number.

47747146723 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

47747146723 is a deficient number, since it is larger than the sum of its proper divisors (3261631277).

47747146723 is a wasteful number, since it uses less digits than its factorization.

47747146723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122858 (or 1122815 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 52.

The spelling of 47747146723 in words is "forty-seven billion, seven hundred forty-seven million, one hundred forty-six thousand, seven hundred twenty-three".