234542315321 has 4 divisors (see below), whose sum is σ = 234614022144. Its totient is φ = 234470608500.

The previous prime is 234542315303. The next prime is 234542315323. The reversal of 234542315321 is 123513245432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234542315321 - 2¹⁰ = 234542314297 is a prime.

It is a super-2 number, since 2×234542315321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234542315323) 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, 35848505 + ... + 35855046.

It is an arithmetic number, because the mean of its divisors is an integer number (58653505536).

Almost surely, 2^234542315321 is an apocalyptic number.

It is an amenable number.

234542315321 is a deficient number, since it is larger than the sum of its proper divisors (71706823).

234542315321 is an equidigital number, since it uses as much as digits as its factorization.

234542315321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71706822.

The product of its digits is 86400, while the sum is 35.

The spelling of 234542315321 in words is "two hundred thirty-four billion, five hundred forty-two million, three hundred fifteen thousand, three hundred twenty-one".