123087973313 has 4 divisors (see below), whose sum is σ = 123091822128. Its totient is φ = 123084124500.

The previous prime is 123087973279. The next prime is 123087973339. The reversal of 123087973313 is 313379780321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123087973313 - 2¹² = 123087969217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123087973013) 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 3 ways as a sum of consecutive naturals, for example, 1876031 + ... + 1940532.

It is an arithmetic number, because the mean of its divisors is an integer number (30772955532).

Almost surely, 2^123087973313 is an apocalyptic number.

It is an amenable number.

123087973313 is a deficient number, since it is larger than the sum of its proper divisors (3848815).

123087973313 is an equidigital number, since it uses as much as digits as its factorization.

123087973313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848814.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 123087973313 in words is "one hundred twenty-three billion, eighty-seven million, nine hundred seventy-three thousand, three hundred thirteen".