65307923 has 4 divisors (see below), whose sum is σ = 67073040. Its totient is φ = 63542808.

The previous prime is 65307911. The next prime is 65307937. The reversal of 65307923 is 32970356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65307923 - 2¹⁸ = 65045779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65307973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882503 + ... + 882576.

It is an arithmetic number, because the mean of its divisors is an integer number (16768260).

Almost surely, 2^65307923 is an apocalyptic number.

65307923 is a deficient number, since it is larger than the sum of its proper divisors (1765117).

65307923 is a wasteful number, since it uses less digits than its factorization.

65307923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765116.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 65307923 is about 8081.3317590605. The cubic root of 65307923 is about 402.7064856198.

The spelling of 65307923 in words is "sixty-five million, three hundred seven thousand, nine hundred twenty-three".