23817020141 has 4 divisors (see below), whose sum is σ = 23829630300. Its totient is φ = 23804409984.

The previous prime is 23817020119. The next prime is 23817020147. The reversal of 23817020141 is 14102071832.

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 5937318916 + 17879701225 = 77054^2 + 133715^2 .

It is a cyclic number.

It is not a de Polignac number, because 23817020141 - 2³⁴ = 6637150957 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 (23817020147) 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, 6302246 + ... + 6306023.

It is an arithmetic number, because the mean of its divisors is an integer number (5957407575).

Almost surely, 2^23817020141 is an apocalyptic number.

It is an amenable number.

23817020141 is a deficient number, since it is larger than the sum of its proper divisors (12610159).

23817020141 is a wasteful number, since it uses less digits than its factorization.

23817020141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12610158.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 23817020141 its reverse (14102071832), we get a palindrome (37919091973).

The spelling of 23817020141 in words is "twenty-three billion, eight hundred seventeen million, twenty thousand, one hundred forty-one".