23174042500157 has 4 divisors (see below), whose sum is σ = 23196476230620. Its totient is φ = 23151608769696.

The previous prime is 23174042500153. The next prime is 23174042500207. The reversal of 23174042500157 is 75100524047132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12925887277081 + 10248155223076 = 3595259^2 + 3201274^2 .

It is a cyclic number.

It is not a de Polignac number, because 23174042500157 - 2² = 23174042500153 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 (23174042500153) 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, 11216863682 + ... + 11216865747.

It is an arithmetic number, because the mean of its divisors is an integer number (5799119057655).

Almost surely, 2^{23174042500157} is an apocalyptic number.

It is an amenable number.

23174042500157 is a deficient number, since it is larger than the sum of its proper divisors (22433730463).

23174042500157 is a wasteful number, since it uses less digits than its factorization.

23174042500157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22433730462.

The product of its (nonzero) digits is 235200, while the sum is 41.

Adding to 23174042500157 its reverse (75100524047132), we get a palindrome (98274566547289).

The spelling of 23174042500157 in words is "twenty-three trillion, one hundred seventy-four billion, forty-two million, five hundred thousand, one hundred fifty-seven".