1230320101 has 4 divisors (see below), whose sum is σ = 1233175104. Its totient is φ = 1227465100.

The previous prime is 1230320093. The next prime is 1230320123. The reversal of 1230320101 is 1010230321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1010230321 = 17 ⋅59425313.

It is a cyclic number.

It is not a de Polignac number, because 1230320101 - 2³ = 1230320093 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 (1230320131) 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, 1426855 + ... + 1427716.

It is an arithmetic number, because the mean of its divisors is an integer number (308293776).

Almost surely, 2^1230320101 is an apocalyptic number.

It is an amenable number.

1230320101 is a deficient number, since it is larger than the sum of its proper divisors (2855003).

1230320101 is an equidigital number, since it uses as much as digits as its factorization.

1230320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855002.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1230320101 is about 35075.9191041375. The cubic root of 1230320101 is about 1071.5342072719.

Adding to 1230320101 its reverse (1010230321), we get a palindrome (2240550422).

The spelling of 1230320101 in words is "one billion, two hundred thirty million, three hundred twenty thousand, one hundred one".