65423312 has 10 divisors (see below), whose sum is σ = 126757698. Its totient is φ = 32711648.

The previous prime is 65423291. The next prime is 65423377. The reversal of 65423312 is 21332456.

It can be written as a sum of positive squares in only one way, i.e., 64899136 + 524176 = 8056^2 + 724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044463 + ... + 2044494.

Almost surely, 2^65423312 is an apocalyptic number.

It is an amenable number.

65423312 is a deficient number, since it is larger than the sum of its proper divisors (61334386).

65423312 is a wasteful number, since it uses less digits than its factorization.

65423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088965 (or 4088959 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 65423312 is about 8088.4678400795. The cubic root of 65423312 is about 402.9435194343.

Adding to 65423312 its reverse (21332456), we get a palindrome (86755768).

The spelling of 65423312 in words is "sixty-five million, four hundred twenty-three thousand, three hundred twelve".