245441023 has 2 divisors, whose sum is σ = 245441024. Its totient is φ = 245441022.

The previous prime is 245441011. The next prime is 245441059. The reversal of 245441023 is 320144542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245441023 - 2⁵ = 245440991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245441323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122720511 + 122720512.

It is an arithmetic number, because the mean of its divisors is an integer number (122720512).

Almost surely, 2^245441023 is an apocalyptic number.

245441023 is a deficient number, since it is larger than the sum of its proper divisors (1).

245441023 is an equidigital number, since it uses as much as digits as its factorization.

245441023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 245441023 is about 15666.5574712507. The cubic root of 245441023 is about 626.1077085709.

Adding to 245441023 its reverse (320144542), we get a palindrome (565585565).

The spelling of 245441023 in words is "two hundred forty-five million, four hundred forty-one thousand, twenty-three".