23130120034 has 24 divisors (see below), whose sum is σ = 41751418140. Its totient is φ = 9571082976.

The previous prime is 23130119939. The next prime is 23130120037. The reversal of 23130120034 is 43002103132.

It can be written as a sum of positive squares in 2 ways, for example, as 20953431009 + 2176689025 = 144753^2 + 46655^2 .

It is a super-2 number, since 2×23130120034² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23130119993 and 23130120020.

It is not an unprimeable number, because it can be changed into a prime (23130120037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4066497 + ... + 4072180.

Almost surely, 2^23130120034 is an apocalyptic number.

23130120034 is a deficient number, since it is larger than the sum of its proper divisors (18621298106).

23130120034 is a wasteful number, since it uses less digits than its factorization.

23130120034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138722 (or 8138715 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23130120034 its reverse (43002103132), we get a palindrome (66132223166).

The spelling of 23130120034 in words is "twenty-three billion, one hundred thirty million, one hundred twenty thousand, thirty-four".