1210300121323 has 2 divisors, whose sum is σ = 1210300121324. Its totient is φ = 1210300121322.

The previous prime is 1210300121297. The next prime is 1210300121333. The reversal of 1210300121323 is 3231210030121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210300121323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210300121323.

It is not a weakly prime, because it can be changed into another prime (1210300121333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605150060661 + 605150060662.

It is an arithmetic number, because the mean of its divisors is an integer number (605150060662).

Almost surely, 2^{1210300121323} is an apocalyptic number.

1210300121323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210300121323 is an equidigital number, since it uses as much as digits as its factorization.

1210300121323 is an evil number, because the sum of its binary digits is even.

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

Adding to 1210300121323 its reverse (3231210030121), we get a palindrome (4441510151444).

It can be divided in two parts, 12103001 and 21323, that added together give a square (12124324 = 3482²).

The spelling of 1210300121323 in words is "one trillion, two hundred ten billion, three hundred million, one hundred twenty-one thousand, three hundred twenty-three".