231157043 has 8 divisors (see below), whose sum is σ = 252445536. Its totient is φ = 210369600.

The previous prime is 231157039. The next prime is 231157067. The reversal of 231157043 is 340751132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231157043 - 2² = 231157039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231157033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124298 + ... + 126143.

It is an arithmetic number, because the mean of its divisors is an integer number (31555692).

Almost surely, 2^231157043 is an apocalyptic number.

231157043 is a deficient number, since it is larger than the sum of its proper divisors (21288493).

231157043 is a wasteful number, since it uses less digits than its factorization.

231157043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250525.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 231157043 is about 15203.8496112004. The cubic root of 231157043 is about 613.7182576709.

The spelling of 231157043 in words is "two hundred thirty-one million, one hundred fifty-seven thousand, forty-three".