240201239 has 2 divisors, whose sum is σ = 240201240. Its totient is φ = 240201238.

The previous prime is 240201217. The next prime is 240201251. The reversal of 240201239 is 932102042.

240201239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240201239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240201209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120100619 + 120100620.

It is an arithmetic number, because the mean of its divisors is an integer number (120100620).

Almost surely, 2^240201239 is an apocalyptic number.

240201239 is a deficient number, since it is larger than the sum of its proper divisors (1).

240201239 is an equidigital number, since it uses as much as digits as its factorization.

240201239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 240201239 is about 15498.4269846975. The cubic root of 240201239 is about 621.6201461003.

The spelling of 240201239 in words is "two hundred forty million, two hundred one thousand, two hundred thirty-nine".