900234143 has 4 divisors (see below), whose sum is σ = 900319728. Its totient is φ = 900148560.

The previous prime is 900234119. The next prime is 900234149. The reversal of 900234143 is 341432009.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 900234143 - 2¹⁰ = 900233119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900234149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24371 + ... + 48932.

It is an arithmetic number, because the mean of its divisors is an integer number (225079932).

Almost surely, 2^900234143 is an apocalyptic number.

900234143 is a deficient number, since it is larger than the sum of its proper divisors (85585).

900234143 is a wasteful number, since it uses less digits than its factorization.

900234143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85584.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 900234143 is about 30003.9021295564. The cubic root of 900234143 is about 965.5731042278.

The spelling of 900234143 in words is "nine hundred million, two hundred thirty-four thousand, one hundred forty-three".