98239021623 has 12 divisors (see below), whose sum is σ = 141906270168. Its totient is φ = 65490160560.

The previous prime is 98239021613. The next prime is 98239021651. The reversal of 98239021623 is 32612093289.

It is a happy number.

It is not a de Polignac number, because 98239021623 - 2¹⁰ = 98239020599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98239021613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54313 + ... + 446573.

It is an arithmetic number, because the mean of its divisors is an integer number (11825522514).

Almost surely, 2^98239021623 is an apocalyptic number.

98239021623 is a deficient number, since it is larger than the sum of its proper divisors (43667248545).

98239021623 is a wasteful number, since it uses less digits than its factorization.

98239021623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420094 (or 420091 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 98239021623 in words is "ninety-eight billion, two hundred thirty-nine million, twenty-one thousand, six hundred twenty-three".