83123872301881 has 2 divisors, whose sum is σ = 83123872301882. Its totient is φ = 83123872301880.

The previous prime is 83123872301851. The next prime is 83123872301891. The reversal of 83123872301881 is 18810327832138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77034131594281 + 6089740707600 = 8776909^2 + 2467740^2 .

It is a cyclic number.

It is not a de Polignac number, because 83123872301881 - 2⁵ = 83123872301849 is a prime.

It is a super-2 number, since 2×83123872301881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83123872301851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41561936150940 + 41561936150941.

It is an arithmetic number, because the mean of its divisors is an integer number (41561936150941).

Almost surely, 2^{83123872301881} is an apocalyptic number.

It is an amenable number.

83123872301881 is a deficient number, since it is larger than the sum of its proper divisors (1).

83123872301881 is an equidigital number, since it uses as much as digits as its factorization.

83123872301881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 83123872301881 in words is "eighty-three trillion, one hundred twenty-three billion, eight hundred seventy-two million, three hundred one thousand, eight hundred eighty-one".