98135090823 has 32 divisors (see below), whose sum is σ = 163648396800. Its totient is φ = 50818412160.

The previous prime is 98135090813. The next prime is 98135090843. The reversal of 98135090823 is 32809053189.

It is a happy number.

It is not a de Polignac number, because 98135090823 - 2⁸ = 98135090567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98135090813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 596848 + ... + 743301.

It is an arithmetic number, because the mean of its divisors is an integer number (5114012400).

Almost surely, 2^98135090823 is an apocalyptic number.

98135090823 is a deficient number, since it is larger than the sum of its proper divisors (65513305977).

98135090823 is a wasteful number, since it uses less digits than its factorization.

98135090823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340487.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 98135090823 in words is "ninety-eight billion, one hundred thirty-five million, ninety thousand, eight hundred twenty-three".