65423929 has 8 divisors (see below), whose sum is σ = 66648960. Its totient is φ = 64208976.

The previous prime is 65423909. The next prime is 65423933. The reversal of 65423929 is 92932456.

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 65423929 - 2¹⁹ = 64899641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65423891 and 65423900.

It is not an unprimeable number, because it can be changed into a prime (65423909) 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, 11274 + ... + 16060.

It is an arithmetic number, because the mean of its divisors is an integer number (8331120).

Almost surely, 2^65423929 is an apocalyptic number.

It is an amenable number.

65423929 is a deficient number, since it is larger than the sum of its proper divisors (1225031).

65423929 is a wasteful number, since it uses less digits than its factorization.

65423929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039.

The product of its digits is 116640, while the sum is 40.

The square root of 65423929 is about 8088.5059807111. The cubic root of 65423929 is about 402.9447861355.

The spelling of 65423929 in words is "sixty-five million, four hundred twenty-three thousand, nine hundred twenty-nine".