1210030121323 has 2 divisors, whose sum is σ = 1210030121324. Its totient is φ = 1210030121322.

The previous prime is 1210030121303. The next prime is 1210030121329. The reversal of 1210030121323 is 3231210300121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210030121323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210030121323.

It is not a weakly prime, because it can be changed into another prime (1210030121329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605015060661 + 605015060662.

It is an arithmetic number, because the mean of its divisors is an integer number (605015060662).

Almost surely, 2^{1210030121323} is an apocalyptic number.

1210030121323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210030121323 is an equidigital number, since it uses as much as digits as its factorization.

1210030121323 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 1210030121323 its reverse (3231210300121), we get a palindrome (4441240421444).

The spelling of 1210030121323 in words is "one trillion, two hundred ten billion, thirty million, one hundred twenty-one thousand, three hundred twenty-three".