65453123 has 4 divisors (see below), whose sum is σ = 65513568. Its totient is φ = 65392680.

The previous prime is 65453057. The next prime is 65453153. The reversal of 65453123 is 32135456.

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 65453123 - 2¹⁴ = 65436739 is a prime.

It is a super-2 number, since 2×65453123² = 8568222620906258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65453153) 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, 28568 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (16378392).

Almost surely, 2^65453123 is an apocalyptic number.

65453123 is a deficient number, since it is larger than the sum of its proper divisors (60445).

65453123 is a wasteful number, since it uses less digits than its factorization.

65453123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60444.

The product of its digits is 10800, while the sum is 29.

The square root of 65453123 is about 8090.3104390376. The cubic root of 65453123 is about 403.0047123274.

Adding to 65453123 its reverse (32135456), we get a palindrome (97588579).

The spelling of 65453123 in words is "sixty-five million, four hundred fifty-three thousand, one hundred twenty-three".