123340430 has 16 divisors (see below), whose sum is σ = 223709904. Its totient is φ = 48959040.

The previous prime is 123340411. The next prime is 123340471. The reversal of 123340430 is 34043321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45767 + ... + 48386.

It is an arithmetic number, because the mean of its divisors is an integer number (13981869).

Almost surely, 2^123340430 is an apocalyptic number.

123340430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123340430 is a deficient number, since it is larger than the sum of its proper divisors (100369474).

123340430 is a wasteful number, since it uses less digits than its factorization.

123340430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94291.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 123340430 is about 11105.8736711706. The cubic root of 123340430 is about 497.7773745118. Note that the first 3 decimals are identical.

Adding to 123340430 its reverse (34043321), we get a palindrome (157383751).

The spelling of 123340430 in words is "one hundred twenty-three million, three hundred forty thousand, four hundred thirty".