123112607650 has 24 divisors (see below), whose sum is σ = 229000235904. Its totient is φ = 49242723600.

The previous prime is 123112607641. The next prime is 123112607663. The reversal of 123112607650 is 56706211321.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1355155 + ... + 1443145.

It is an arithmetic number, because the mean of its divisors is an integer number (9541676496).

Almost surely, 2^123112607650 is an apocalyptic number.

123112607650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123112607650 is a deficient number, since it is larger than the sum of its proper divisors (105887628254).

123112607650 is a wasteful number, since it uses less digits than its factorization.

123112607650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115986 (or 115981 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 123112607650 its reverse (56706211321), we get a palindrome (179818818971).

The spelling of 123112607650 in words is "one hundred twenty-three billion, one hundred twelve million, six hundred seven thousand, six hundred fifty".