90238004143 has 16 divisors (see below), whose sum is σ = 104450964480. Its totient is φ = 76355806176.

The previous prime is 90238004107. The next prime is 90238004203. The reversal of 90238004143 is 34140083209.

It is a cyclic number.

It is not a de Polignac number, because 90238004143 - 2¹³ = 90237995951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90238004099 and 90238004108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90238001143) 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 15 ways as a sum of consecutive naturals, for example, 6622005 + ... + 6635617.

It is an arithmetic number, because the mean of its divisors is an integer number (6528185280).

Almost surely, 2^90238004143 is an apocalyptic number.

90238004143 is a deficient number, since it is larger than the sum of its proper divisors (14212960337).

90238004143 is a wasteful number, since it uses less digits than its factorization.

90238004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25686.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 90238004143 in words is "ninety billion, two hundred thirty-eight million, four thousand, one hundred forty-three".