123534032450 has 48 divisors (see below), whose sum is σ = 233897279616. Its totient is φ = 48532041600.

The previous prime is 123534032437. The next prime is 123534032491. The reversal of 123534032450 is 54230435321.

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 23 ways as a sum of consecutive naturals, for example, 867494 + ... + 999806.

It is an arithmetic number, because the mean of its divisors is an integer number (4872859992).

Almost surely, 2^123534032450 is an apocalyptic number.

123534032450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123534032450 is a deficient number, since it is larger than the sum of its proper divisors (110363247166).

123534032450 is a wasteful number, since it uses less digits than its factorization.

123534032450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132659 (or 132654 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 123534032450 its reverse (54230435321), we get a palindrome (177764467771).

The spelling of 123534032450 in words is "one hundred twenty-three billion, five hundred thirty-four million, thirty-two thousand, four hundred fifty".