110123420993 has 2 divisors, whose sum is σ = 110123420994. Its totient is φ = 110123420992.

The previous prime is 110123420971. The next prime is 110123421043. The reversal of 110123420993 is 399024321011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73285528369 + 36837892624 = 270713^2 + 191932^2 .

It is a cyclic number.

It is not a de Polignac number, because 110123420993 - 2¹⁰ = 110123419969 is a prime.

It is not a weakly prime, because it can be changed into another prime (110123420293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55061710496 + 55061710497.

It is an arithmetic number, because the mean of its divisors is an integer number (55061710497).

Almost surely, 2^110123420993 is an apocalyptic number.

It is an amenable number.

110123420993 is a deficient number, since it is larger than the sum of its proper divisors (1).

110123420993 is an equidigital number, since it uses as much as digits as its factorization.

110123420993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 110123420993 in words is "one hundred ten billion, one hundred twenty-three million, four hundred twenty thousand, nine hundred ninety-three".