234001543943 has 2 divisors, whose sum is σ = 234001543944. Its totient is φ = 234001543942.

The previous prime is 234001543939. The next prime is 234001543973. The reversal of 234001543943 is 349345100432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234001543943 - 2² = 234001543939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234001543897 and 234001543906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234001543973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117000771971 + 117000771972.

It is an arithmetic number, because the mean of its divisors is an integer number (117000771972).

Almost surely, 2^234001543943 is an apocalyptic number.

234001543943 is a deficient number, since it is larger than the sum of its proper divisors (1).

234001543943 is an equidigital number, since it uses as much as digits as its factorization.

234001543943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 234001543943 in words is "two hundred thirty-four billion, one million, five hundred forty-three thousand, nine hundred forty-three".