547987319123 has 4 divisors (see below), whose sum is σ = 547989005160. Its totient is φ = 547985633088.

The previous prime is 547987319101. The next prime is 547987319141. The reversal of 547987319123 is 321913789745.

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 547987319123 - 2¹⁸ = 547987056979 is a prime.

It is a super-2 number, since 2×547987319123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (547987319153) 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, 183518 + ... + 1062851.

It is an arithmetic number, because the mean of its divisors is an integer number (136997251290).

Almost surely, 2^547987319123 is an apocalyptic number.

547987319123 is a deficient number, since it is larger than the sum of its proper divisors (1686037).

547987319123 is a wasteful number, since it uses less digits than its factorization.

547987319123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686036.

The product of its digits is 11430720, while the sum is 59.

The spelling of 547987319123 in words is "five hundred forty-seven billion, nine hundred eighty-seven million, three hundred nineteen thousand, one hundred twenty-three".