245436374502623 has 2 divisors, whose sum is σ = 245436374502624. Its totient is φ = 245436374502622.

The previous prime is 245436374502581. The next prime is 245436374502733. The reversal of 245436374502623 is 326205473634542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245436374502623 - 2¹⁰ = 245436374501599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245436374501623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122718187251311 + 122718187251312.

It is an arithmetic number, because the mean of its divisors is an integer number (122718187251312).

Almost surely, 2^{245436374502623} is an apocalyptic number.

245436374502623 is a deficient number, since it is larger than the sum of its proper divisors (1).

245436374502623 is an equidigital number, since it uses as much as digits as its factorization.

245436374502623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87091200, while the sum is 56.

The spelling of 245436374502623 in words is "two hundred forty-five trillion, four hundred thirty-six billion, three hundred seventy-four million, five hundred two thousand, six hundred twenty-three".