245729423 has 2 divisors, whose sum is σ = 245729424. Its totient is φ = 245729422.

The previous prime is 245729399. The next prime is 245729437. The reversal of 245729423 is 324927542.

It is a happy number.

245729423 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-245729423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245729483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122864711 + 122864712.

It is an arithmetic number, because the mean of its divisors is an integer number (122864712).

Almost surely, 2^245729423 is an apocalyptic number.

245729423 is a deficient number, since it is larger than the sum of its proper divisors (1).

245729423 is an equidigital number, since it uses as much as digits as its factorization.

245729423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 245729423 is about 15675.7590884780. The cubic root of 245729423 is about 626.3528438820.

The spelling of 245729423 in words is "two hundred forty-five million, seven hundred twenty-nine thousand, four hundred twenty-three".