83121123854033 has 2 divisors, whose sum is σ = 83121123854034. Its totient is φ = 83121123854032.

The previous prime is 83121123854029. The next prime is 83121123854053. The reversal of 83121123854033 is 33045832112138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77928340256209 + 5192783597824 = 8827703^2 + 2278768^2 .

It is a cyclic number.

It is not a de Polignac number, because 83121123854033 - 2² = 83121123854029 is a prime.

It is not a weakly prime, because it can be changed into another prime (83121123854053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41560561927016 + 41560561927017.

It is an arithmetic number, because the mean of its divisors is an integer number (41560561927017).

Almost surely, 2^{83121123854033} is an apocalyptic number.

It is an amenable number.

83121123854033 is a deficient number, since it is larger than the sum of its proper divisors (1).

83121123854033 is an equidigital number, since it uses as much as digits as its factorization.

83121123854033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 83121123854033 in words is "eighty-three trillion, one hundred twenty-one billion, one hundred twenty-three million, eight hundred fifty-four thousand, thirty-three".