123250136424 has 16 divisors (see below), whose sum is σ = 308125341120. Its totient is φ = 41083378800.

The previous prime is 123250136413. The next prime is 123250136437. The reversal of 123250136424 is 424631052321.

It is a super-2 number, since 2×123250136424² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2567711152 + ... + 2567711199.

It is an arithmetic number, because the mean of its divisors is an integer number (19257833820).

Almost surely, 2^123250136424 is an apocalyptic number.

It is an amenable number.

123250136424 is an abundant number, since it is smaller than the sum of its proper divisors (184875204696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123250136424 is a wasteful number, since it uses less digits than its factorization.

123250136424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135422360 (or 5135422356 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 123250136424 its reverse (424631052321), we get a palindrome (547881188745).

The spelling of 123250136424 in words is "one hundred twenty-three billion, two hundred fifty million, one hundred thirty-six thousand, four hundred twenty-four".