23187161098 has 4 divisors (see below), whose sum is σ = 34780741650. Its totient is φ = 11593580548.

The previous prime is 23187161089. The next prime is 23187161113. The reversal of 23187161098 is 89016178132.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 18996281929 + 4190879169 = 137827^2 + 64737^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5796790273 + ... + 5796790276.

Almost surely, 2^23187161098 is an apocalyptic number.

23187161098 is a deficient number, since it is larger than the sum of its proper divisors (11593580552).

23187161098 is a wasteful number, since it uses less digits than its factorization.

23187161098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11593580551.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 23187161098 in words is "twenty-three billion, one hundred eighty-seven million, one hundred sixty-one thousand, ninety-eight".