230121204864 has 64 divisors (see below), whose sum is σ = 614156630880. Its totient is φ = 76343500800.

The previous prime is 230121204829. The next prime is 230121204881. The reversal of 230121204864 is 468402121032.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339057 + ... + 1501104.

Almost surely, 2^230121204864 is an apocalyptic number.

230121204864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

230121204864 is an abundant number, since it is smaller than the sum of its proper divisors (384035426016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230121204864 is a wasteful number, since it uses less digits than its factorization.

230121204864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840389 (or 2840377 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 230121204864 its reverse (468402121032), we get a palindrome (698523325896).

The spelling of 230121204864 in words is "two hundred thirty billion, one hundred twenty-one million, two hundred four thousand, eight hundred sixty-four".