123123214102001 has 4 divisors (see below), whose sum is σ = 123127411561332. Its totient is φ = 123119016642672.

The previous prime is 123123214101967. The next prime is 123123214102033. The reversal of 123123214102001 is 100201412321321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36614613102001 + 86508601000000 = 6051001^2 + 9301000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123123214102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123123214102081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098685666 + ... + 2098744331.

It is an arithmetic number, because the mean of its divisors is an integer number (30781852890333).

Almost surely, 2^{123123214102001} is an apocalyptic number.

It is an amenable number.

123123214102001 is a deficient number, since it is larger than the sum of its proper divisors (4197459331).

123123214102001 is an equidigital number, since it uses as much as digits as its factorization.

123123214102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197459330.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 123123214102001 its reverse (100201412321321), we get a palindrome (223324626423322).

The spelling of 123123214102001 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, two hundred fourteen million, one hundred two thousand, one".