84149324723 has 4 divisors (see below), whose sum is σ = 84151265088. Its totient is φ = 84147384360.

The previous prime is 84149324689. The next prime is 84149324767. The reversal of 84149324723 is 32742394148.

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 84149324723 - 2⁶ = 84149324659 is a prime.

It is a super-2 number, since 2×84149324723² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84149324773) 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, 903608 + ... + 992373.

It is an arithmetic number, because the mean of its divisors is an integer number (21037816272).

Almost surely, 2^84149324723 is an apocalyptic number.

84149324723 is a deficient number, since it is larger than the sum of its proper divisors (1940365).

84149324723 is a wasteful number, since it uses less digits than its factorization.

84149324723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940364.

The product of its digits is 1161216, while the sum is 47.

The spelling of 84149324723 in words is "eighty-four billion, one hundred forty-nine million, three hundred twenty-four thousand, seven hundred twenty-three".