3230003921 has 2 divisors, whose sum is σ = 3230003922. Its totient is φ = 3230003920.

The previous prime is 3230003897. The next prime is 3230003941. The reversal of 3230003921 is 1293000323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1880176321 + 1349827600 = 43361^2 + 36740^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230003921 - 2¹⁸ = 3229741777 is a prime.

It is not a weakly prime, because it can be changed into another prime (3230003941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615001960 + 1615001961.

It is an arithmetic number, because the mean of its divisors is an integer number (1615001961).

Almost surely, 2^3230003921 is an apocalyptic number.

It is an amenable number.

3230003921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3230003921 is an equidigital number, since it uses as much as digits as its factorization.

3230003921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3230003921 is about 56833.1234492703. The cubic root of 3230003921 is about 1478.2039207138.

The spelling of 3230003921 in words is "three billion, two hundred thirty million, three thousand, nine hundred twenty-one".