6455123033 has 4 divisors (see below), whose sum is σ = 6455306148. Its totient is φ = 6454939920.

The previous prime is 6455123027. The next prime is 6455123041. The reversal of 6455123033 is 3303215546.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1432849609 + 5022273424 = 37853^2 + 70868^2 .

It is a cyclic number.

It is not a de Polignac number, because 6455123033 - 2³² = 2160155737 is a prime.

It is a super-2 number, since 2×6455123033² = 83337226742334238178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6455123083) 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 3 ways as a sum of consecutive naturals, for example, 20078 + ... + 115383.

It is an arithmetic number, because the mean of its divisors is an integer number (1613826537).

Almost surely, 2^6455123033 is an apocalyptic number.

It is an amenable number.

6455123033 is a deficient number, since it is larger than the sum of its proper divisors (183115).

6455123033 is a wasteful number, since it uses less digits than its factorization.

6455123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183114.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 6455123033 is about 80343.7803006555. The cubic root of 6455123033 is about 1861.9506872345.

Adding to 6455123033 its reverse (3303215546), we get a palindrome (9758338579).

The spelling of 6455123033 in words is "six billion, four hundred fifty-five million, one hundred twenty-three thousand, thirty-three".