23661908061 has 8 divisors (see below), whose sum is σ = 34417320864. Its totient is φ = 14340550320.

The previous prime is 23661908059. The next prime is 23661908107. The reversal of 23661908061 is 16080916632.

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

It is not a de Polignac number, because 23661908061 - 2¹ = 23661908059 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23661904061) 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, 358513726 + ... + 358513791.

It is an arithmetic number, because the mean of its divisors is an integer number (4302165108).

Almost surely, 2^23661908061 is an apocalyptic number.

It is an amenable number.

23661908061 is a deficient number, since it is larger than the sum of its proper divisors (10755412803).

23661908061 is a wasteful number, since it uses less digits than its factorization.

23661908061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717027531.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 23661908061 in words is "twenty-three billion, six hundred sixty-one million, nine hundred eight thousand, sixty-one".