321153262351123 has 4 divisors (see below), whose sum is σ = 321662221563088. Its totient is φ = 320644303139160.

The previous prime is 321153262351121. The next prime is 321153262351133.

321153262351123 is nontrivially palindromic in base 10.

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 321153262351123 - 2¹ = 321153262351121 is a prime.

It is a super-2 number, since 2×321153262351123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321153262351121) 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, 254479605036 + ... + 254479606297.

It is an arithmetic number, because the mean of its divisors is an integer number (80415555390772).

Almost surely, 2^{321153262351123} is an apocalyptic number.

321153262351123 is a deficient number, since it is larger than the sum of its proper divisors (508959211965).

321153262351123 is an equidigital number, since it uses as much as digits as its factorization.

321153262351123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508959211964.

The product of its digits is 194400, while the sum is 40.

The spelling of 321153262351123 in words is "three hundred twenty-one trillion, one hundred fifty-three billion, two hundred sixty-two million, three hundred fifty-one thousand, one hundred twenty-three".