243455302122302 has 16 divisors (see below), whose sum is σ = 371083789594752. Its totient is φ = 119765120733720.

The previous prime is 243455302122271. The next prime is 243455302122401. The reversal of 243455302122302 is 203221203554342.

It is a happy number.

It is a super-2 number, since 2×243455302122302² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1103675024 + ... + 1103895587.

It is an arithmetic number, because the mean of its divisors is an integer number (23192736849672).

Almost surely, 2^{243455302122302} is an apocalyptic number.

243455302122302 is a deficient number, since it is larger than the sum of its proper divisors (127628487472450).

243455302122302 is a wasteful number, since it uses less digits than its factorization.

243455302122302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207571503.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 243455302122302 its reverse (203221203554342), we get a palindrome (446676505676644).

The spelling of 243455302122302 in words is "two hundred forty-three trillion, four hundred fifty-five billion, three hundred two million, one hundred twenty-two thousand, three hundred two".