234135202321564 has 24 divisors (see below), whose sum is σ = 436018851525600. Its totient is φ = 109627596942336.

The previous prime is 234135202321541. The next prime is 234135202321583. The reversal of 234135202321564 is 465123202531432.

It is a self number, because there is not a number n which added to its sum of digits gives 234135202321564.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8651154157 + ... + 8651181220.

It is an arithmetic number, because the mean of its divisors is an integer number (18167452146900).

Almost surely, 2^{234135202321564} is an apocalyptic number.

It is an amenable number.

234135202321564 is a deficient number, since it is larger than the sum of its proper divisors (201883649204036).

234135202321564 is a wasteful number, since it uses less digits than its factorization.

234135202321564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17302335597 (or 17302335595 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 234135202321564 its reverse (465123202531432), we get a palindrome (699258404852996).

The spelling of 234135202321564 in words is "two hundred thirty-four trillion, one hundred thirty-five billion, two hundred two million, three hundred twenty-one thousand, five hundred sixty-four".