2321203139 has 2 divisors, whose sum is σ = 2321203140. Its totient is φ = 2321203138.

The previous prime is 2321203127. The next prime is 2321203207. The reversal of 2321203139 is 9313021232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321203139 - 2²⁸ = 2052767683 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321203439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160601569 + 1160601570.

It is an arithmetic number, because the mean of its divisors is an integer number (1160601570).

Almost surely, 2^2321203139 is an apocalyptic number.

2321203139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321203139 is an equidigital number, since it uses as much as digits as its factorization.

2321203139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 2321203139 is about 48178.8661033030. The cubic root of 2321203139 is about 1324.0499921416.

The spelling of 2321203139 in words is "two billion, three hundred twenty-one million, two hundred three thousand, one hundred thirty-nine".