321045540123 has 32 divisors (see below), whose sum is σ = 533729341440. Its totient is φ = 166763388960.

The previous prime is 321045540121. The next prime is 321045540161.

321045540123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321045540123 - 2¹ = 321045540121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321045540121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3209458 + ... + 3307976.

It is an arithmetic number, because the mean of its divisors is an integer number (16679041920).

Almost surely, 2^321045540123 is an apocalyptic number.

321045540123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

321045540123 is a deficient number, since it is larger than the sum of its proper divisors (212683801317).

321045540123 is a wasteful number, since it uses less digits than its factorization.

321045540123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112647.

The product of its (nonzero) digits is 14400, while the sum is 30.

It can be divided in two parts, 321045 and 540123, that added together give a palindrome (861168).

The spelling of 321045540123 in words is "three hundred twenty-one billion, forty-five million, five hundred forty thousand, one hundred twenty-three".