3215205323 has 4 divisors (see below), whose sum is σ = 3507496728. Its totient is φ = 2922913920.

The previous prime is 3215205311. The next prime is 3215205419. The reversal of 3215205323 is 3235025123.

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

It is a cyclic number.

It is not a de Polignac number, because 3215205323 - 2⁴ = 3215205307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3215205292 and 3215205301.

It is not an unprimeable number, because it can be changed into a prime (3215201323) 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, 146145686 + ... + 146145707.

It is an arithmetic number, because the mean of its divisors is an integer number (876874182).

Almost surely, 2^3215205323 is an apocalyptic number.

3215205323 is a deficient number, since it is larger than the sum of its proper divisors (292291405).

3215205323 is a wasteful number, since it uses less digits than its factorization.

3215205323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292291404.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3215205323 is about 56702.7805579233. The cubic root of 3215205323 is about 1475.9429493682.

The spelling of 3215205323 in words is "three billion, two hundred fifteen million, two hundred five thousand, three hundred twenty-three".