245223983 has 2 divisors, whose sum is σ = 245223984. Its totient is φ = 245223982.

The previous prime is 245223973. The next prime is 245224019. The reversal of 245223983 is 389322542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245223983 - 2⁴ = 245223967 is a prime.

It is a Sophie Germain 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 (245223943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122611991 + 122611992.

It is an arithmetic number, because the mean of its divisors is an integer number (122611992).

Almost surely, 2^245223983 is an apocalyptic number.

245223983 is a deficient number, since it is larger than the sum of its proper divisors (1).

245223983 is an equidigital number, since it uses as much as digits as its factorization.

245223983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 245223983 is about 15659.6290824528. The cubic root of 245223983 is about 625.9231014361.

The spelling of 245223983 in words is "two hundred forty-five million, two hundred twenty-three thousand, nine hundred eighty-three".