118423130 has 16 divisors (see below), whose sum is σ = 243613440. Its totient is φ = 40602192.

The previous prime is 118423121. The next prime is 118423157. The reversal of 118423130 is 31324811.

It is a junction number, because it is equal to n+sod(n) for n = 118423096 and 118423105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845810 + ... + 845949.

It is an arithmetic number, because the mean of its divisors is an integer number (15225840).

Almost surely, 2^118423130 is an apocalyptic number.

118423130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118423130 is an abundant number, since it is smaller than the sum of its proper divisors (125190310).

118423130 is a wasteful number, since it uses less digits than its factorization.

118423130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691773.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 118423130 is about 10882.2391997236. The cubic root of 118423130 is about 491.0723840838.

Adding to 118423130 its reverse (31324811), we get a palindrome (149747941).

The spelling of 118423130 in words is "one hundred eighteen million, four hundred twenty-three thousand, one hundred thirty".