245623043 has 2 divisors, whose sum is σ = 245623044. Its totient is φ = 245623042.

The previous prime is 245623039. The next prime is 245623097. The reversal of 245623043 is 340326542.

245623043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245623043 - 2² = 245623039 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_13452905 and since 245623043 and 13452905 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 245622997 and 245623015.

It is not a weakly prime, because it can be changed into another prime (245620043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122811521 + 122811522.

It is an arithmetic number, because the mean of its divisors is an integer number (122811522).

Almost surely, 2^245623043 is an apocalyptic number.

245623043 is a deficient number, since it is larger than the sum of its proper divisors (1).

245623043 is an equidigital number, since it uses as much as digits as its factorization.

245623043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 245623043 is about 15672.3655840463. The cubic root of 245623043 is about 626.2624449488.

Adding to 245623043 its reverse (340326542), we get a palindrome (585949585).

The spelling of 245623043 in words is "two hundred forty-five million, six hundred twenty-three thousand, forty-three".