200102023131123 has 16 divisors (see below), whose sum is σ = 268561092627072. Its totient is φ = 132525019704000.

The previous prime is 200102023131067. The next prime is 200102023131139. The reversal of 200102023131123 is 321131320201002.

It is a de Polignac number, because none of the positive numbers 2^k-200102023131123 is a prime.

It is a super-2 number, since 2×200102023131123² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200102023131123.

It is not an unprimeable number, because it can be changed into a prime (200102023131223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358284333 + ... + 358842398.

It is an arithmetic number, because the mean of its divisors is an integer number (16785068289192).

Almost surely, 2^{200102023131123} is an apocalyptic number.

200102023131123 is a deficient number, since it is larger than the sum of its proper divisors (68459069495949).

200102023131123 is a wasteful number, since it uses less digits than its factorization.

200102023131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717127346.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 200102023131123 its reverse (321131320201002), we get a palindrome (521233343332125).

The spelling of 200102023131123 in words is "two hundred trillion, one hundred two billion, twenty-three million, one hundred thirty-one thousand, one hundred twenty-three".