123013312001 has 4 divisors (see below), whose sum is σ = 123276724272. Its totient is φ = 122749899732.

The previous prime is 123013311991. The next prime is 123013312031. The reversal of 123013312001 is 100213310321.

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 123013312001 - 2²⁶ = 122946203137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123013312031) 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, 131705435 + ... + 131706368.

It is an arithmetic number, because the mean of its divisors is an integer number (30819181068).

Almost surely, 2^123013312001 is an apocalyptic number.

It is an amenable number.

123013312001 is a deficient number, since it is larger than the sum of its proper divisors (263412271).

123013312001 is an equidigital number, since it uses as much as digits as its factorization.

123013312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263412270.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123013312001 its reverse (100213310321), we get a palindrome (223226622322).

The spelling of 123013312001 in words is "one hundred twenty-three billion, thirteen million, three hundred twelve thousand, one".