123303211201 has 4 divisors (see below), whose sum is σ = 127555046100. Its totient is φ = 119051376304.

The previous prime is 123303211193. The next prime is 123303211223. The reversal of 123303211201 is 102112303321.

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 90360961201 + 32942250000 = 300601^2 + 181500^2 .

It is a cyclic number.

It is not a de Polignac number, because 123303211201 - 2³ = 123303211193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123303211231) 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, 2125917406 + ... + 2125917463.

It is an arithmetic number, because the mean of its divisors is an integer number (31888761525).

Almost surely, 2^123303211201 is an apocalyptic number.

It is an amenable number.

123303211201 is a deficient number, since it is larger than the sum of its proper divisors (4251834899).

123303211201 is an equidigital number, since it uses as much as digits as its factorization.

123303211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251834898.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123303211201 its reverse (102112303321), we get a palindrome (225415514522).

The spelling of 123303211201 in words is "one hundred twenty-three billion, three hundred three million, two hundred eleven thousand, two hundred one".