1210120323 has 16 divisors (see below), whose sum is σ = 1685349120. Its totient is φ = 771359904.

The previous prime is 1210120297. The next prime is 1210120357. The reversal of 1210120323 is 3230210121.

It is not a de Polignac number, because 1210120323 - 2²⁵ = 1176565891 is a prime.

It is a super-2 number, since 2×1210120323² = 2928782392275248658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210120423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58561 + ... + 76482.

It is an arithmetic number, because the mean of its divisors is an integer number (105334320).

Almost surely, 2^1210120323 is an apocalyptic number.

1210120323 is a deficient number, since it is larger than the sum of its proper divisors (475228797).

1210120323 is a wasteful number, since it uses less digits than its factorization.

1210120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135178.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1210120323 is about 34786.7837403805. The cubic root of 1210120323 is about 1065.6375569342.

Adding to 1210120323 its reverse (3230210121), we get a palindrome (4440330444).

The spelling of 1210120323 in words is "one billion, two hundred ten million, one hundred twenty thousand, three hundred twenty-three".