123213233201 has 2 divisors, whose sum is σ = 123213233202. Its totient is φ = 123213233200.

The previous prime is 123213233183. The next prime is 123213233243. The reversal of 123213233201 is 102332312321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105445676176 + 17767557025 = 324724^2 + 133295^2 .

It is an emirp because it is prime and its reverse (102332312321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123213233201 is a prime.

It is not a weakly prime, because it can be changed into another prime (123213233281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606616600 + 61606616601.

It is an arithmetic number, because the mean of its divisors is an integer number (61606616601).

Almost surely, 2^123213233201 is an apocalyptic number.

It is an amenable number.

123213233201 is a deficient number, since it is larger than the sum of its proper divisors (1).

123213233201 is an equidigital number, since it uses as much as digits as its factorization.

123213233201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123213233201 its reverse (102332312321), we get a palindrome (225545545522).

The spelling of 123213233201 in words is "one hundred twenty-three billion, two hundred thirteen million, two hundred thirty-three thousand, two hundred one".