23130020145 has 16 divisors (see below), whose sum is σ = 37145615040. Its totient is φ = 12290149824.

The previous prime is 23130020119. The next prime is 23130020167. The reversal of 23130020145 is 54102003132.

It is not a de Polignac number, because 23130020145 - 2⁸ = 23130019889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2862139 + ... + 2870208.

It is an arithmetic number, because the mean of its divisors is an integer number (2321600940).

Almost surely, 2^23130020145 is an apocalyptic number.

It is an amenable number.

23130020145 is a deficient number, since it is larger than the sum of its proper divisors (14015594895).

23130020145 is a wasteful number, since it uses less digits than its factorization.

23130020145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732624.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 23130020145 its reverse (54102003132), we get a palindrome (77232023277).

The spelling of 23130020145 in words is "twenty-three billion, one hundred thirty million, twenty thousand, one hundred forty-five".