464128523 has 16 divisors (see below), whose sum is σ = 512532480. Its totient is φ = 418328064.

The previous prime is 464128519. The next prime is 464128529. The reversal of 464128523 is 325821464.

It is a cyclic number.

It is not a de Polignac number, because 464128523 - 2² = 464128519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464128529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81590 + ... + 87092.

It is an arithmetic number, because the mean of its divisors is an integer number (32033280).

Almost surely, 2^464128523 is an apocalyptic number.

464128523 is a deficient number, since it is larger than the sum of its proper divisors (48403957).

464128523 is a wasteful number, since it uses less digits than its factorization.

464128523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738.

The product of its digits is 46080, while the sum is 35.

The square root of 464128523 is about 21543.6422872271. The cubic root of 464128523 is about 774.2468009347.

Adding to 464128523 its reverse (325821464), we get a palindrome (789949987).

The spelling of 464128523 in words is "four hundred sixty-four million, one hundred twenty-eight thousand, five hundred twenty-three".