23717953897157 has 16 divisors (see below), whose sum is σ = 25839581544000. Its totient is φ = 21638972893824.

The previous prime is 23717953897153. The next prime is 23717953897189. The reversal of 23717953897157 is 75179835971732.

It is a happy number.

It is not a de Polignac number, because 23717953897157 - 2² = 23717953897153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23717953897153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099307 + ... + 6974552.

It is an arithmetic number, because the mean of its divisors is an integer number (1614973846500).

Almost surely, 2^{23717953897157} is an apocalyptic number.

It is an amenable number.

23717953897157 is a deficient number, since it is larger than the sum of its proper divisors (2121627646843).

23717953897157 is a wasteful number, since it uses less digits than its factorization.

23717953897157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076500.

The product of its digits is 700131600, while the sum is 74.

The spelling of 23717953897157 in words is "twenty-three trillion, seven hundred seventeen billion, nine hundred fifty-three million, eight hundred ninety-seven thousand, one hundred fifty-seven".