242423443245 has 16 divisors (see below), whose sum is σ = 387883704960. Its totient is φ = 129290437824.

The previous prime is 242423443219. The next prime is 242423443277. The reversal of 242423443245 is 542344324242.

It is a happy number.

It is not a de Polignac number, because 242423443245 - 2⁹ = 242423442733 is a prime.

It is a super-2 number, since 2×242423443245² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525191 + ... + 1676619.

It is an arithmetic number, because the mean of its divisors is an integer number (24242731560).

Almost surely, 2^242423443245 is an apocalyptic number.

It is an amenable number.

242423443245 is a deficient number, since it is larger than the sum of its proper divisors (145460261715).

242423443245 is a wasteful number, since it uses less digits than its factorization.

242423443245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258164.

The product of its digits is 737280, while the sum is 39.

Adding to 242423443245 its reverse (542344324242), we get a palindrome (784767767487).

The spelling of 242423443245 in words is "two hundred forty-two billion, four hundred twenty-three million, four hundred forty-three thousand, two hundred forty-five".