723798377667 has 16 divisors (see below), whose sum is σ = 1090468368000. Its totient is φ = 474353737992.

The previous prime is 723798377597. The next prime is 723798377711. The reversal of 723798377667 is 766773897327.

It is not a de Polignac number, because 723798377667 - 2⁷ = 723798377539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 723798377595 and 723798377604.

It is not an unprimeable number, because it can be changed into a prime (723798377767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227179317 + ... + 227182502.

It is an arithmetic number, because the mean of its divisors is an integer number (68154273000).

Almost surely, 2^723798377667 is an apocalyptic number.

723798377667 is a deficient number, since it is larger than the sum of its proper divisors (366669990333).

723798377667 is a wasteful number, since it uses less digits than its factorization.

723798377667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454361887 (or 454361881 counting only the distinct ones).

The product of its digits is 784147392, while the sum is 72.

The spelling of 723798377667 in words is "seven hundred twenty-three billion, seven hundred ninety-eight million, three hundred seventy-seven thousand, six hundred sixty-seven".