123368362643 has 4 divisors (see below), whose sum is σ = 123605154648. Its totient is φ = 123131570640.

The previous prime is 123368362633. The next prime is 123368362651. The reversal of 123368362643 is 346263863321.

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 123368362643 - 2¹⁰ = 123368361619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123368362633) 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, 118395221 + ... + 118396262.

It is an arithmetic number, because the mean of its divisors is an integer number (30901288662).

Almost surely, 2^123368362643 is an apocalyptic number.

123368362643 is a deficient number, since it is larger than the sum of its proper divisors (236792005).

123368362643 is an equidigital number, since it uses as much as digits as its factorization.

123368362643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236792004.

The product of its digits is 2239488, while the sum is 47.

The spelling of 123368362643 in words is "one hundred twenty-three billion, three hundred sixty-eight million, three hundred sixty-two thousand, six hundred forty-three".