123611673430 has 16 divisors (see below), whose sum is σ = 254286871200. Its totient is φ = 42381145152.

The previous prime is 123611673407. The next prime is 123611673457. The reversal of 123611673430 is 34376116321.

It is a self number, because there is not a number n which added to its sum of digits gives 123611673430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882940455 + ... + 882940594.

It is an arithmetic number, because the mean of its divisors is an integer number (15892929450).

Almost surely, 2^123611673430 is an apocalyptic number.

123611673430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123611673430 is an abundant number, since it is smaller than the sum of its proper divisors (130675197770).

123611673430 is a wasteful number, since it uses less digits than its factorization.

123611673430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765881063.

The product of its (nonzero) digits is 54432, while the sum is 37.

Adding to 123611673430 its reverse (34376116321), we get a palindrome (157987789751).

The spelling of 123611673430 in words is "one hundred twenty-three billion, six hundred eleven million, six hundred seventy-three thousand, four hundred thirty".