70050023128 has 24 divisors (see below), whose sum is σ = 134197834500. Its totient is φ = 34279789904.

The previous prime is 70050023123. The next prime is 70050023129. The reversal of 70050023128 is 82132005007.

It is a junction number, because it is equal to n+sod(n) for n = 70050023096 and 70050023105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70050023123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1964278 + ... + 1999621.

Almost surely, 2^70050023128 is an apocalyptic number.

It is an amenable number.

70050023128 is a deficient number, since it is larger than the sum of its proper divisors (64147811372).

70050023128 is a wasteful number, since it uses less digits than its factorization.

70050023128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963999 (or 3963948 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 70050023128 in words is "seventy billion, fifty million, twenty-three thousand, one hundred twenty-eight".