123042211430 has 32 divisors (see below), whose sum is σ = 222714273600. Its totient is φ = 48941988480.

The previous prime is 123042211423. The next prime is 123042211447. The reversal of 123042211430 is 34112240321.

It is a junction number, because it is equal to n+sod(n) for n = 123042211396 and 123042211405.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3718760 + ... + 3751700.

It is an arithmetic number, because the mean of its divisors is an integer number (6959821050).

Almost surely, 2^123042211430 is an apocalyptic number.

123042211430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123042211430 is a deficient number, since it is larger than the sum of its proper divisors (99672062170).

123042211430 is a wasteful number, since it uses less digits than its factorization.

123042211430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35024.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123042211430 its reverse (34112240321), we get a palindrome (157154451751).

The spelling of 123042211430 in words is "one hundred twenty-three billion, forty-two million, two hundred eleven thousand, four hundred thirty".