245974123 has 2 divisors, whose sum is σ = 245974124. Its totient is φ = 245974122.

The previous prime is 245974111. The next prime is 245974159. The reversal of 245974123 is 321479542.

245974123 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 a de Polignac number, because none of the positive numbers 2^k-245974123 is a prime.

It is not a weakly prime, because it can be changed into another prime (245971123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122987061 + 122987062.

It is an arithmetic number, because the mean of its divisors is an integer number (122987062).

Almost surely, 2^245974123 is an apocalyptic number.

245974123 is a deficient number, since it is larger than the sum of its proper divisors (1).

245974123 is an equidigital number, since it uses as much as digits as its factorization.

245974123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 245974123 is about 15683.5621910330. The cubic root of 245974123 is about 626.5606845382.

The spelling of 245974123 in words is "two hundred forty-five million, nine hundred seventy-four thousand, one hundred twenty-three".