1230023121 has 8 divisors (see below), whose sum is σ = 1726348320. Its totient is φ = 776856672.

The previous prime is 1230023107. The next prime is 1230023129. The reversal of 1230023121 is 1213200321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1230023121 - 2⁵ = 1230023089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230023121.

It is not an unprimeable number, because it can be changed into a prime (1230023129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10789620 + ... + 10789733.

It is an arithmetic number, because the mean of its divisors is an integer number (215793540).

Almost surely, 2^1230023121 is an apocalyptic number.

It is an amenable number.

1230023121 is a deficient number, since it is larger than the sum of its proper divisors (496325199).

1230023121 is a wasteful number, since it uses less digits than its factorization.

1230023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21579375.

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

The square root of 1230023121 is about 35071.6854599262. The cubic root of 1230023121 is about 1071.4479831429.

Adding to 1230023121 its reverse (1213200321), we get a palindrome (2443223442).

The spelling of 1230023121 in words is "one billion, two hundred thirty million, twenty-three thousand, one hundred twenty-one".