231553053 has 16 divisors (see below), whose sum is σ = 343578240. Its totient is φ = 154127232.

The previous prime is 231553051. The next prime is 231553079. The reversal of 231553053 is 350355132.

It is not a de Polignac number, because 231553053 - 2¹ = 231553051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231553051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11800 + ... + 24542.

It is an arithmetic number, because the mean of its divisors is an integer number (21473640).

Almost surely, 2^231553053 is an apocalyptic number.

It is an amenable number.

231553053 is a deficient number, since it is larger than the sum of its proper divisors (112025187).

231553053 is a wasteful number, since it uses less digits than its factorization.

231553053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13425 (or 13419 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 231553053 is about 15216.8673845835. The cubic root of 231553053 is about 614.0685244674.

The spelling of 231553053 in words is "two hundred thirty-one million, five hundred fifty-three thousand, fifty-three".