451315402323 has 16 divisors (see below), whose sum is σ = 605447824800. Its totient is φ = 299031197184.

The previous prime is 451315402319. The next prime is 451315402337. The reversal of 451315402323 is 323204513154.

It is not a de Polignac number, because 451315402323 - 2² = 451315402319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451315402303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316853 + ... + 1623801.

It is an arithmetic number, because the mean of its divisors is an integer number (37840489050).

Almost surely, 2^451315402323 is an apocalyptic number.

451315402323 is a deficient number, since it is larger than the sum of its proper divisors (154132422477).

451315402323 is a wasteful number, since it uses less digits than its factorization.

451315402323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309958.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 451315402323 its reverse (323204513154), we get a palindrome (774519915477).

The spelling of 451315402323 in words is "four hundred fifty-one billion, three hundred fifteen million, four hundred two thousand, three hundred twenty-three".