20003123358 has 12 divisors (see below), whose sum is σ = 43340100648. Its totient is φ = 6667707780.

The previous prime is 20003123323. The next prime is 20003123359. The reversal of 20003123358 is 85332130002.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003123359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555642298 + ... + 555642333.

It is an arithmetic number, because the mean of its divisors is an integer number (3611675054).

Almost surely, 2^20003123358 is an apocalyptic number.

20003123358 is an abundant number, since it is smaller than the sum of its proper divisors (23336977290).

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

20003123358 is a wasteful number, since it uses less digits than its factorization.

20003123358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111284639 (or 1111284636 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 20003123358 in words is "twenty billion, three million, one hundred twenty-three thousand, three hundred fifty-eight".