231523150452322 has 4 divisors (see below), whose sum is σ = 347284725678486. Its totient is φ = 115761575226160.

The previous prime is 231523150452233. The next prime is 231523150452331. The reversal of 231523150452322 is 223254051325132.

231523150452322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 149371930811961 + 82151219640361 = 12221781^2 + 9063731^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57880787613079 + ... + 57880787613082.

Almost surely, 2^{231523150452322} is an apocalyptic number.

231523150452322 is a deficient number, since it is larger than the sum of its proper divisors (115761575226164).

231523150452322 is a wasteful number, since it uses less digits than its factorization.

231523150452322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115761575226163.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 231523150452322 in words is "two hundred thirty-one trillion, five hundred twenty-three billion, one hundred fifty million, four hundred fifty-two thousand, three hundred twenty-two".