1152723442047 has 4 divisors (see below), whose sum is σ = 1536964589400. Its totient is φ = 768482294696.

The previous prime is 1152723442019. The next prime is 1152723442063. The reversal of 1152723442047 is 7402443272511.

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 1152723442047 - 2⁸ = 1152723441791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152723442747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192120573672 + ... + 192120573677.

It is an arithmetic number, because the mean of its divisors is an integer number (384241147350).

Almost surely, 2^{1152723442047} is an apocalyptic number.

1152723442047 is a deficient number, since it is larger than the sum of its proper divisors (384241147353).

1152723442047 is an equidigital number, since it uses as much as digits as its factorization.

1152723442047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384241147352.

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 1152723442047 in words is "one trillion, one hundred fifty-two billion, seven hundred twenty-three million, four hundred forty-two thousand, forty-seven".