1210201023 has 4 divisors (see below), whose sum is σ = 1613601368. Its totient is φ = 806800680.

The previous prime is 1210201009. The next prime is 1210201039. The reversal of 1210201023 is 3201020121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1210201023 - 2⁴ = 1210201007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210201063) 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, 201700168 + ... + 201700173.

It is an arithmetic number, because the mean of its divisors is an integer number (403400342).

Almost surely, 2^1210201023 is an apocalyptic number.

1210201023 is a deficient number, since it is larger than the sum of its proper divisors (403400345).

1210201023 is an equidigital number, since it uses as much as digits as its factorization.

1210201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403400344.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1210201023 is about 34787.9436443145. The cubic root of 1210201023 is about 1065.6612446721.

Adding to 1210201023 its reverse (3201020121), we get a palindrome (4411221144).

The spelling of 1210201023 in words is "one billion, two hundred ten million, two hundred one thousand, twenty-three".