123226400000030 has 32 divisors (see below), whose sum is σ = 221999548888800. Its totient is φ = 49247889638400.

The previous prime is 123226400000023. The next prime is 123226400000107. The reversal of 123226400000030 is 30000004622321.

It is a junction number, because it is equal to n+sod(n) for n = 123226399999951 and 123226400000005.

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, 402746546 + ... + 403052394.

It is an arithmetic number, because the mean of its divisors is an integer number (6937485902775).

Almost surely, 2^{123226400000030} is an apocalyptic number.

123226400000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123226400000030 is a deficient number, since it is larger than the sum of its proper divisors (98773148888770).

123226400000030 is a wasteful number, since it uses less digits than its factorization.

123226400000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340604.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123226400000030 its reverse (30000004622321), we get a palindrome (153226404622351).

The spelling of 123226400000030 in words is "one hundred twenty-three trillion, two hundred twenty-six billion, four hundred million, thirty", and thus it is an aban number.