234143650903 has 4 divisors (see below), whose sum is σ = 234144918568. Its totient is φ = 234142383240.

The previous prime is 234143650889. The next prime is 234143650921. The reversal of 234143650903 is 309056341432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234143650903 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234143650943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297168 + ... + 746053.

It is an arithmetic number, because the mean of its divisors is an integer number (58536229642).

Almost surely, 2^234143650903 is an apocalyptic number.

234143650903 is a deficient number, since it is larger than the sum of its proper divisors (1267665).

234143650903 is a wasteful number, since it uses less digits than its factorization.

234143650903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267664.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 234143650903 in words is "two hundred thirty-four billion, one hundred forty-three million, six hundred fifty thousand, nine hundred three".