330423121 has 12 divisors (see below), whose sum is σ = 384777588. Its totient is φ = 282919392.

The previous prime is 330423103. The next prime is 330423127. The reversal of 330423121 is 121324033.

It can be written as a sum of positive squares in 2 ways, for example, as 35820225 + 294602896 = 5985^2 + 17164^2 .

It is not a de Polignac number, because 330423121 - 2⁷ = 330422993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330423127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51715 + ... + 57751.

It is an arithmetic number, because the mean of its divisors is an integer number (32064799).

Almost surely, 2^330423121 is an apocalyptic number.

It is an amenable number.

330423121 is a deficient number, since it is larger than the sum of its proper divisors (54354467).

330423121 is a wasteful number, since it uses less digits than its factorization.

330423121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168 (or 7161 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 330423121 is about 18177.5444161196. The cubic root of 330423121 is about 691.3375448595.

Adding to 330423121 its reverse (121324033), we get a palindrome (451747154).

It can be divided in two parts, 33042 and 3121, that added together give a palindrome (36163).

The spelling of 330423121 in words is "three hundred thirty million, four hundred twenty-three thousand, one hundred twenty-one".