65923903 has 4 divisors (see below), whose sum is σ = 65941128. Its totient is φ = 65906680.

The previous prime is 65923853. The next prime is 65923919. The reversal of 65923903 is 30932956.

65923903 is a nontrivial binomial coefficient, being equal to C(11483, 2).

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

It is not a de Polignac number, because 65923903 - 2¹³ = 65915711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65923933) 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, 1 + ... + 11482.

It is an arithmetic number, because the mean of its divisors is an integer number (16485282).

Almost surely, 2^65923903 is an apocalyptic number.

65923903 is the 11482-nd triangular number.

65923903 is the 3828-th centered nonagonal number.

65923903 is a deficient number, since it is larger than the sum of its proper divisors (17225).

65923903 is a wasteful number, since it uses less digits than its factorization.

65923903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17224.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 65923903 is about 8119.3536072769. The cubic root of 65923903 is about 403.9686260478.

The spelling of 65923903 in words is "sixty-five million, nine hundred twenty-three thousand, nine hundred three".