123403130 has 8 divisors (see below), whose sum is σ = 222125652. Its totient is φ = 49361248.

The previous prime is 123403129. The next prime is 123403171. The reversal of 123403130 is 31304321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122168809 + 1234321 = 11053^2 + 1111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123403099 and 123403108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6170147 + ... + 6170166.

Almost surely, 2^123403130 is an apocalyptic number.

123403130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123403130 is a deficient number, since it is larger than the sum of its proper divisors (98722522).

123403130 is a wasteful number, since it uses less digits than its factorization.

123403130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340320.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123403130 is about 11108.6961431124. The cubic root of 123403130 is about 497.8617084544.

Adding to 123403130 its reverse (31304321), we get a palindrome (154707451).

The spelling of 123403130 in words is "one hundred twenty-three million, four hundred three thousand, one hundred thirty".