83720052102523 has 16 divisors (see below), whose sum is σ = 87936031416960. Its totient is φ = 79611765757056.

The previous prime is 83720052102517. The next prime is 83720052102677. The reversal of 83720052102523 is 32520125002738.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83720052102523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83720052102923) 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, 32718136 + ... + 35184037.

It is an arithmetic number, because the mean of its divisors is an integer number (5496001963560).

Almost surely, 2^{83720052102523} is an apocalyptic number.

83720052102523 is a deficient number, since it is larger than the sum of its proper divisors (4215979314437).

83720052102523 is a wasteful number, since it uses less digits than its factorization.

83720052102523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67902966.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 83720052102523 in words is "eighty-three trillion, seven hundred twenty billion, fifty-two million, one hundred two thousand, five hundred twenty-three".