81750110023 has 2 divisors, whose sum is σ = 81750110024. Its totient is φ = 81750110022.

The previous prime is 81750110003. The next prime is 81750110111. The reversal of 81750110023 is 32001105718.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 81750110023 - 2²⁹ = 81213239111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 81750109973 and 81750110000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (81750110003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40875055011 + 40875055012.

It is an arithmetic number, because the mean of its divisors is an integer number (40875055012).

Almost surely, 2^81750110023 is an apocalyptic number.

81750110023 is a deficient number, since it is larger than the sum of its proper divisors (1).

81750110023 is an equidigital number, since it uses as much as digits as its factorization.

81750110023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 81750110023 in words is "eighty-one billion, seven hundred fifty million, one hundred ten thousand, twenty-three".