231548043 has 16 divisors (see below), whose sum is σ = 318880800. Its totient is φ = 149370624.

The previous prime is 231547999. The next prime is 231548063. The reversal of 231548043 is 340845132.

231548043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231548043 - 2¹⁴ = 231531659 is a prime.

It is a super-2 number, since 2×231548043² = 107228992434259698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231548043.

It is not an unprimeable number, because it can be changed into a prime (231548063) 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, 1633 + ... + 21581.

It is an arithmetic number, because the mean of its divisors is an integer number (19930050).

Almost surely, 2^231548043 is an apocalyptic number.

231548043 is a deficient number, since it is larger than the sum of its proper divisors (87332757).

231548043 is a wasteful number, since it uses less digits than its factorization.

231548043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20078.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 231548043 is about 15216.7027637396. The cubic root of 231548043 is about 614.0640956689.

The spelling of 231548043 in words is "two hundred thirty-one million, five hundred forty-eight thousand, forty-three".