23193611680658 has 4 divisors (see below), whose sum is σ = 34790417520990. Its totient is φ = 11596805840328.

The previous prime is 23193611680651. The next prime is 23193611680661. The reversal of 23193611680658 is 85608611639132.

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., 17029430048929 + 6164181631729 = 4126673^2 + 2482777^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23193611680597 and 23193611680606.

It is not an unprimeable number, because it can be changed into a prime (23193611680651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5798402920163 + ... + 5798402920166.

Almost surely, 2^{23193611680658} is an apocalyptic number.

23193611680658 is a deficient number, since it is larger than the sum of its proper divisors (11596805840332).

23193611680658 is a wasteful number, since it uses less digits than its factorization.

23193611680658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596805840331.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 23193611680658 in words is "twenty-three trillion, one hundred ninety-three billion, six hundred eleven million, six hundred eighty thousand, six hundred fifty-eight".