23147687920897 has 8 divisors (see below), whose sum is σ = 23370001916256. Its totient is φ = 22925484675072.

The previous prime is 23147687920879. The next prime is 23147687920901. The reversal of 23147687920897 is 79802978674132.

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 23147687920897 - 2³¹ = 23145540437249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23147687926897) 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, 27267328 + ... + 28103425.

It is an arithmetic number, because the mean of its divisors is an integer number (2921250239532).

Almost surely, 2^{23147687920897} is an apocalyptic number.

It is an amenable number.

23147687920897 is a deficient number, since it is larger than the sum of its proper divisors (222313995359).

23147687920897 is a wasteful number, since it uses less digits than its factorization.

23147687920897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55374767.

The product of its (nonzero) digits is 512096256, while the sum is 73.

The spelling of 23147687920897 in words is "twenty-three trillion, one hundred forty-seven billion, six hundred eighty-seven million, nine hundred twenty thousand, eight hundred ninety-seven".