231523335153 has 48 divisors (see below), whose sum is σ = 378227740800. Its totient is φ = 139865378400.

The previous prime is 231523335143. The next prime is 231523335181. The reversal of 231523335153 is 351533325132.

It is a happy number.

231523335153 is a `hidden beast` number, since 2 + 3 + 1 + 523 + 33 + 51 + 53 = 666.

It is not a de Polignac number, because 231523335153 - 2¹⁸ = 231523073009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231523335143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 902103 + ... + 1129971.

It is an arithmetic number, because the mean of its divisors is an integer number (7879744600).

Almost surely, 2^231523335153 is an apocalyptic number.

It is an amenable number.

231523335153 is a deficient number, since it is larger than the sum of its proper divisors (146704405647).

231523335153 is a wasteful number, since it uses less digits than its factorization.

231523335153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228211 (or 228194 counting only the distinct ones).

The product of its digits is 121500, while the sum is 36.

The spelling of 231523335153 in words is "two hundred thirty-one billion, five hundred twenty-three million, three hundred thirty-five thousand, one hundred fifty-three".