23145303434141 has 6 divisors (see below), whose sum is σ = 26924128484670. Its totient is φ = 19838831514936.

The previous prime is 23145303434111. The next prime is 23145303434161. The reversal of 23145303434141 is 14143430354132.

It can be written as a sum of positive squares in only one way, i.e., 21990978818116 + 1154324616025 = 4689454^2 + 1074395^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23145303434141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23145303434095 and 23145303434104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145303434111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236176565606 + ... + 236176565703.

It is an arithmetic number, because the mean of its divisors is an integer number (4487354747445).

Almost surely, 2^{23145303434141} is an apocalyptic number.

It is an amenable number.

23145303434141 is a deficient number, since it is larger than the sum of its proper divisors (3778825050529).

23145303434141 is an equidigital number, since it uses as much as digits as its factorization.

23145303434141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472353131323 (or 472353131316 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 23145303434141 its reverse (14143430354132), we get a palindrome (37288733788273).

The spelling of 23145303434141 in words is "twenty-three trillion, one hundred forty-five billion, three hundred three million, four hundred thirty-four thousand, one hundred forty-one".