465509623 has 4 divisors (see below), whose sum is σ = 492892560. Its totient is φ = 438126688.

The previous prime is 465509591. The next prime is 465509641. The reversal of 465509623 is 326905564.

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 465509623 - 2⁵ = 465509591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465509663) 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, 13691443 + ... + 13691476.

It is an arithmetic number, because the mean of its divisors is an integer number (123223140).

Almost surely, 2^465509623 is an apocalyptic number.

465509623 is a deficient number, since it is larger than the sum of its proper divisors (27382937).

465509623 is a wasteful number, since it uses less digits than its factorization.

465509623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27382936.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 465509623 is about 21575.6720173440. The cubic root of 465509623 is about 775.0140118174.

The spelling of 465509623 in words is "four hundred sixty-five million, five hundred nine thousand, six hundred twenty-three".