98523 has 16 divisors (see below), whose sum is σ = 151200. Its totient is φ = 63360.

The previous prime is 98519. The next prime is 98533. The reversal of 98523 is 32589.

It is not a de Polignac number, because 98523 - 2² = 98519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

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

It is not an unprimeable number, because it can be changed into a prime (98533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (9450).

2⁹⁸⁵²³ is an apocalyptic number.

98523 is a deficient number, since it is larger than the sum of its proper divisors (52677).

98523 is a wasteful number, since it uses less digits than its factorization.

98523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 98523 is about 313.8837364376. The cubic root of 98523 is about 46.1862330375.

The spelling of 98523 in words is "ninety-eight thousand, five hundred twenty-three".