23502523141 has 4 divisors (see below), whose sum is σ = 23744817292. Its totient is φ = 23260228992.

The previous prime is 23502523139. The next prime is 23502523151. The reversal of 23502523141 is 14132520532.

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 13911258916 + 9591264225 = 117946^2 + 97935^2 .

It is a cyclic number.

It is not a de Polignac number, because 23502523141 - 2¹ = 23502523139 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 (23502523151) 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, 121146930 + ... + 121147123.

It is an arithmetic number, because the mean of its divisors is an integer number (5936204323).

Almost surely, 2^23502523141 is an apocalyptic number.

It is an amenable number.

23502523141 is a deficient number, since it is larger than the sum of its proper divisors (242294151).

23502523141 is an equidigital number, since it uses as much as digits as its factorization.

23502523141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242294150.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 23502523141 in words is "twenty-three billion, five hundred two million, five hundred twenty-three thousand, one hundred forty-one".