6147515023 has 4 divisors (see below), whose sum is σ = 6620400808. Its totient is φ = 5674629240.

The previous prime is 6147515021. The next prime is 6147515029. The reversal of 6147515023 is 3205157416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6147515023 - 2¹ = 6147515021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6147515023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6147515021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236442873 + ... + 236442898.

It is an arithmetic number, because the mean of its divisors is an integer number (1655100202).

Almost surely, 2^6147515023 is an apocalyptic number.

6147515023 is a deficient number, since it is larger than the sum of its proper divisors (472885785).

6147515023 is a wasteful number, since it uses less digits than its factorization.

6147515023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472885784.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 6147515023 is about 78406.0904713403. The cubic root of 6147515023 is about 1831.8920007422.

The spelling of 6147515023 in words is "six billion, one hundred forty-seven million, five hundred fifteen thousand, twenty-three".