23720053671697 has 4 divisors (see below), whose sum is σ = 23720063412736. Its totient is φ = 23720043930660.

The previous prime is 23720053671581. The next prime is 23720053671781. The reversal of 23720053671697 is 79617635002732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23720053671697 - 2¹¹ = 23720053669649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23720053771697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369848 + ... + 7283974.

It is an arithmetic number, because the mean of its divisors is an integer number (5930015853184).

Almost surely, 2^{23720053671697} is an apocalyptic number.

It is an amenable number.

23720053671697 is a deficient number, since it is larger than the sum of its proper divisors (9741039).

23720053671697 is an equidigital number, since it uses as much as digits as its factorization.

23720053671697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9741038.

The product of its (nonzero) digits is 20003760, while the sum is 58.

The spelling of 23720053671697 in words is "twenty-three trillion, seven hundred twenty billion, fifty-three million, six hundred seventy-one thousand, six hundred ninety-seven".