245442502423 has 4 divisors (see below), whose sum is σ = 245448842368. Its totient is φ = 245436162480.

The previous prime is 245442502397. The next prime is 245442502429. The reversal of 245442502423 is 324205244542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245442502423 - 2¹⁷ = 245442371351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245442502429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3111543 + ... + 3189448.

It is an arithmetic number, because the mean of its divisors is an integer number (61362210592).

Almost surely, 2^245442502423 is an apocalyptic number.

245442502423 is a deficient number, since it is larger than the sum of its proper divisors (6339945).

245442502423 is an equidigital number, since it uses as much as digits as its factorization.

245442502423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6339944.

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 245442502423 its reverse (324205244542), we get a palindrome (569647746965).

The spelling of 245442502423 in words is "two hundred forty-five billion, four hundred forty-two million, five hundred two thousand, four hundred twenty-three".