123103438 has 8 divisors (see below), whose sum is σ = 184703040. Its totient is φ = 61535760.

The previous prime is 123103433. The next prime is 123103439. The reversal of 123103438 is 834301321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8323 + ... + 17761.

It is an arithmetic number, because the mean of its divisors is an integer number (23087880).

Almost surely, 2^123103438 is an apocalyptic number.

123103438 is a deficient number, since it is larger than the sum of its proper divisors (61599602).

123103438 is an equidigital number, since it uses as much as digits as its factorization.

123103438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15962.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 123103438 is about 11095.1988715841. The cubic root of 123103438 is about 497.4583526158.

Adding to 123103438 its reverse (834301321), we get a palindrome (957404759).

The spelling of 123103438 in words is "one hundred twenty-three million, one hundred three thousand, four hundred thirty-eight".