245450423 has 2 divisors, whose sum is σ = 245450424. Its totient is φ = 245450422.

The previous prime is 245450399. The next prime is 245450441. The reversal of 245450423 is 324054542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245450423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245450483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122725211 + 122725212.

It is an arithmetic number, because the mean of its divisors is an integer number (122725212).

Almost surely, 2^245450423 is an apocalyptic number.

245450423 is a deficient number, since it is larger than the sum of its proper divisors (1).

245450423 is an equidigital number, since it uses as much as digits as its factorization.

245450423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 245450423 is about 15666.8574704693. The cubic root of 245450423 is about 626.1157014447.

The spelling of 245450423 in words is "two hundred forty-five million, four hundred fifty thousand, four hundred twenty-three".