235481143 has 2 divisors, whose sum is σ = 235481144. Its totient is φ = 235481142.

The previous prime is 235481111. The next prime is 235481159. The reversal of 235481143 is 341184532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235481143 - 2⁵ = 235481111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235485143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117740571 + 117740572.

It is an arithmetic number, because the mean of its divisors is an integer number (117740572).

Almost surely, 2^235481143 is an apocalyptic number.

235481143 is a deficient number, since it is larger than the sum of its proper divisors (1).

235481143 is an equidigital number, since it uses as much as digits as its factorization.

235481143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 235481143 is about 15345.3948466633. The cubic root of 235481143 is about 617.5214462548.

The spelling of 235481143 in words is "two hundred thirty-five million, four hundred eighty-one thousand, one hundred forty-three".