231004533023233 has 4 divisors (see below), whose sum is σ = 231005111383620. Its totient is φ = 231003954662848.

The previous prime is 231004533023227. The next prime is 231004533023249. The reversal of 231004533023233 is 332320335400132.

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 77787866586049 + 153216666437184 = 8819743^2 + 12378072^2 .

It is a cyclic number.

It is not a de Polignac number, because 231004533023233 - 2³⁷ = 230867094069761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231004533323233) 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, 288580660 + ... + 289380037.

It is an arithmetic number, because the mean of its divisors is an integer number (57751277845905).

Almost surely, 2^{231004533023233} is an apocalyptic number.

It is an amenable number.

231004533023233 is a deficient number, since it is larger than the sum of its proper divisors (578360387).

231004533023233 is an equidigital number, since it uses as much as digits as its factorization.

231004533023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578360386.

The product of its (nonzero) digits is 116640, while the sum is 34.

Adding to 231004533023233 its reverse (332320335400132), we get a palindrome (563324868423365).

The spelling of 231004533023233 in words is "two hundred thirty-one trillion, four billion, five hundred thirty-three million, twenty-three thousand, two hundred thirty-three".