123123223201 has 8 divisors (see below), whose sum is σ = 134320411008. Its totient is φ = 111926730000.

The previous prime is 123123223189. The next prime is 123123223213. The reversal of 123123223201 is 102322321321.

It is an interprime number because it is at equal distance from previous prime (123123223189) and next prime (123123223213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123123223201 - 2⁹ = 123123222689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123123223241) 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 7 ways as a sum of consecutive naturals, for example, 239791 + ... + 551131.

It is an arithmetic number, because the mean of its divisors is an integer number (16790051376).

Almost surely, 2^123123223201 is an apocalyptic number.

123123223201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123123223201 is a deficient number, since it is larger than the sum of its proper divisors (11197187807).

123123223201 is a wasteful number, since it uses less digits than its factorization.

123123223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347303.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123123223201 its reverse (102322321321), we get a palindrome (225445544522).

It can be divided in two parts, 12 and 3123223201, that added together give a palindrome (3123223213).

The spelling of 123123223201 in words is "one hundred twenty-three billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred one".