2147540815023 has 16 divisors (see below), whose sum is σ = 2875224957696. Its totient is φ = 1425787468160.

The previous prime is 2147540814997. The next prime is 2147540815033. The reversal of 2147540815023 is 3205180457412.

It is a cyclic number.

It is not a de Polignac number, because 2147540815023 - 2²¹ = 2147538717871 is a prime.

It is a super-2 number, since 2×2147540815023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147540815033) 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, 819018 + ... + 2228423.

It is an arithmetic number, because the mean of its divisors is an integer number (179701559856).

Almost surely, 2^{2147540815023} is an apocalyptic number.

2147540815023 is a deficient number, since it is larger than the sum of its proper divisors (727684142673).

2147540815023 is a wasteful number, since it uses less digits than its factorization.

2147540815023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048414.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 2147540815023 in words is "two trillion, one hundred forty-seven billion, five hundred forty million, eight hundred fifteen thousand, twenty-three".