321234045 has 48 divisors (see below), whose sum is σ = 591872832. Its totient is φ = 147525120.

The previous prime is 321234041. The next prime is 321234047. The reversal of 321234045 is 540432123.

It is not a de Polignac number, because 321234045 - 2² = 321234041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321234041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56869 + ... + 62261.

It is an arithmetic number, because the mean of its divisors is an integer number (12330684).

Almost surely, 2^321234045 is an apocalyptic number.

It is an amenable number.

321234045 is a deficient number, since it is larger than the sum of its proper divisors (270638787).

321234045 is a wasteful number, since it uses less digits than its factorization.

321234045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450 (or 5431 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 321234045 is about 17923.0032360651. The cubic root of 321234045 is about 684.8684955436.

Adding to 321234045 its reverse (540432123), we get a palindrome (861666168).

The spelling of 321234045 in words is "three hundred twenty-one million, two hundred thirty-four thousand, forty-five".