198234123541 has 8 divisors (see below), whose sum is σ = 201607755840. Its totient is φ = 194860949088.

The previous prime is 198234123517. The next prime is 198234123553. The reversal of 198234123541 is 145321432891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198234123541 - 2¹³ = 198234115349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198234123341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823705 + ... + 1036801.

It is an arithmetic number, because the mean of its divisors is an integer number (25200969480).

Almost surely, 2^198234123541 is an apocalyptic number.

It is an amenable number.

198234123541 is a deficient number, since it is larger than the sum of its proper divisors (3373632299).

198234123541 is a wasteful number, since it uses less digits than its factorization.

198234123541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228923.

The product of its digits is 207360, while the sum is 43.

The spelling of 198234123541 in words is "one hundred ninety-eight billion, two hundred thirty-four million, one hundred twenty-three thousand, five hundred forty-one".