89123432198 has 4 divisors (see below), whose sum is σ = 133685148300. Its totient is φ = 44561716098.

The previous prime is 89123432197. The next prime is 89123432201.

89123432198 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×89123432198² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89123432197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22280858048 + ... + 22280858051.

It is an arithmetic number, because the mean of its divisors is an integer number (33421287075).

Almost surely, 2^89123432198 is an apocalyptic number.

89123432198 is a deficient number, since it is larger than the sum of its proper divisors (44561716102).

89123432198 is a wasteful number, since it uses less digits than its factorization.

89123432198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44561716101.

The product of its digits is 746496, while the sum is 50.

The spelling of 89123432198 in words is "eighty-nine billion, one hundred twenty-three million, four hundred thirty-two thousand, one hundred ninety-eight".