83548705123 has 16 divisors (see below), whose sum is σ = 90344136960. Its totient is φ = 76806579744.

The previous prime is 83548705069. The next prime is 83548705153. The reversal of 83548705123 is 32150784538.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83548705123 is a prime.

It is a super-2 number, since 2×83548705123² (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 (83548705153) 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, 3200040 + ... + 3226042.

It is an arithmetic number, because the mean of its divisors is an integer number (5646508560).

Almost surely, 2^83548705123 is an apocalyptic number.

83548705123 is a deficient number, since it is larger than the sum of its proper divisors (6795431837).

83548705123 is a wasteful number, since it uses less digits than its factorization.

83548705123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27018.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 83548705123 in words is "eighty-three billion, five hundred forty-eight million, seven hundred five thousand, one hundred twenty-three".