65423912007 has 8 divisors (see below), whose sum is σ = 87571307376. Its totient is φ = 43446228992.

The previous prime is 65423911921. The next prime is 65423912009. The reversal of 65423912007 is 70021932456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65423912007 - 2²⁷ = 65289694279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65423912009) 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, 42427188 + ... + 42428729.

It is an arithmetic number, because the mean of its divisors is an integer number (10946413422).

Almost surely, 2^65423912007 is an apocalyptic number.

65423912007 is a deficient number, since it is larger than the sum of its proper divisors (22147395369).

65423912007 is a wasteful number, since it uses less digits than its factorization.

65423912007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84856177.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 65423912007 in words is "sixty-five billion, four hundred twenty-three million, nine hundred twelve thousand, seven".