123773663 has 4 divisors (see below), whose sum is σ = 133294728. Its totient is φ = 114252600.

The previous prime is 123773633. The next prime is 123773717. The reversal of 123773663 is 366377321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366377321 = 433 ⋅846137.

It is a cyclic number.

It is not a de Polignac number, because 123773663 - 2⁸ = 123773407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123773623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760513 + ... + 4760538.

It is an arithmetic number, because the mean of its divisors is an integer number (33323682).

Almost surely, 2^123773663 is an apocalyptic number.

123773663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123773663 is a deficient number, since it is larger than the sum of its proper divisors (9521065).

123773663 is an equidigital number, since it uses as much as digits as its factorization.

123773663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521064.

The product of its digits is 95256, while the sum is 38.

The square root of 123773663 is about 11125.3612525616. The cubic root of 123773663 is about 498.3595074550.

The spelling of 123773663 in words is "one hundred twenty-three million, seven hundred seventy-three thousand, six hundred sixty-three".