20210200123 has 8 divisors (see below), whose sum is σ = 20352380400. Its totient is φ = 20068107360.

The previous prime is 20210200111. The next prime is 20210200139. The reversal of 20210200123 is 32100201202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210200123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210200103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482161 + ... + 522397.

It is an arithmetic number, because the mean of its divisors is an integer number (2544047550).

Almost surely, 2^20210200123 is an apocalyptic number.

20210200123 is a deficient number, since it is larger than the sum of its proper divisors (142180277).

20210200123 is a wasteful number, since it uses less digits than its factorization.

20210200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43757.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20210200123 its reverse (32100201202), we get a palindrome (52310401325).

The spelling of 20210200123 in words is "twenty billion, two hundred ten million, two hundred thousand, one hundred twenty-three".