1230315664 has 40 divisors (see below), whose sum is σ = 2541008000. Its totient is φ = 575392896.

The previous prime is 1230315661. The next prime is 1230315733. The reversal of 1230315664 is 4665130321.

It is not an unprimeable number, because it can be changed into a prime (1230315661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599 + ... + 49630.

It is an arithmetic number, because the mean of its divisors is an integer number (63525200).

Almost surely, 2^1230315664 is an apocalyptic number.

It is an amenable number.

1230315664 is an abundant number, since it is smaller than the sum of its proper divisors (1310692336).

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

1230315664 is a wasteful number, since it uses less digits than its factorization.

1230315664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51335 (or 51329 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1230315664 is about 35075.8558555597. The cubic root of 1230315664 is about 1071.5329191510.

Adding to 1230315664 its reverse (4665130321), we get a palindrome (5895445985).

The spelling of 1230315664 in words is "one billion, two hundred thirty million, three hundred fifteen thousand, six hundred sixty-four".