68390241320123 has 4 divisors (see below), whose sum is σ = 68396418753408. Its totient is φ = 68384063886840.

The previous prime is 68390241320119. The next prime is 68390241320183. The reversal of 68390241320123 is 32102314209386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68390241320123 - 2² = 68390241320119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68390241320183) 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, 3088700036 + ... + 3088722177.

It is an arithmetic number, because the mean of its divisors is an integer number (17099104688352).

Almost surely, 2^{68390241320123} is an apocalyptic number.

68390241320123 is a deficient number, since it is larger than the sum of its proper divisors (6177433285).

68390241320123 is a wasteful number, since it uses less digits than its factorization.

68390241320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177433284.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 68390241320123 in words is "sixty-eight trillion, three hundred ninety billion, two hundred forty-one million, three hundred twenty thousand, one hundred twenty-three".