123358145900 has 36 divisors (see below), whose sum is σ = 292022377080. Its totient is φ = 44857507200.

The previous prime is 123358145873. The next prime is 123358145917. The reversal of 123358145900 is 9541853321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56070785 + ... + 56072984.

Almost surely, 2^123358145900 is an apocalyptic number.

123358145900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123358145900 is an abundant number, since it is smaller than the sum of its proper divisors (168664231180).

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

123358145900 is a wasteful number, since it uses less digits than its factorization.

123358145900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112143794 (or 112143787 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 123358145900 in words is "one hundred twenty-three billion, three hundred fifty-eight million, one hundred forty-five thousand, nine hundred".