130023123 has 12 divisors (see below), whose sum is σ = 184163160. Its totient is φ = 81582592.

The previous prime is 130023121. The next prime is 130023139. The reversal of 130023123 is 321320031.

It is not a de Polignac number, because 130023123 - 2¹ = 130023121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130023121) 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, 74118 + ... + 75851.

It is an arithmetic number, because the mean of its divisors is an integer number (15346930).

Almost surely, 2^130023123 is an apocalyptic number.

130023123 is a deficient number, since it is larger than the sum of its proper divisors (54140037).

130023123 is a wasteful number, since it uses less digits than its factorization.

130023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150006 (or 149989 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130023123 is about 11402.7682165341. The cubic root of 130023123 is about 506.6097351101.

Adding to 130023123 its reverse (321320031), we get a palindrome (451343154).

The spelling of 130023123 in words is "one hundred thirty million, twenty-three thousand, one hundred twenty-three".