230511628342155 has 16 divisors (see below), whose sum is σ = 368819046487584. Its totient is φ = 122939388069120.

The previous prime is 230511628342117. The next prime is 230511628342157. The reversal of 230511628342155 is 551243826115032.

It is not a de Polignac number, because 230511628342155 - 2¹¹ = 230511628340107 is a prime.

It is a super-2 number, since 2×230511628342155² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230511628342157) 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, 4418535 + ... + 21921375.

It is an arithmetic number, because the mean of its divisors is an integer number (23051190405474).

Almost surely, 2^{230511628342155} is an apocalyptic number.

230511628342155 is a deficient number, since it is larger than the sum of its proper divisors (138307418145429).

230511628342155 is a wasteful number, since it uses less digits than its factorization.

230511628342155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18380846.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 230511628342155 in words is "two hundred thirty trillion, five hundred eleven billion, six hundred twenty-eight million, three hundred forty-two thousand, one hundred fifty-five".