200302031123 has 4 divisors (see below), whose sum is σ = 212084503560. Its totient is φ = 188519558688.

The previous prime is 200302031119. The next prime is 200302031141. The reversal of 200302031123 is 321130203002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200302031123 - 2² = 200302031119 is a prime.

It is a super-2 number, since 2×200302031123² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 11782472419 = 200302031123 / (2 + 0 + 0 + 3 + 0 + 2 + 0 + 3 + 1 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200302031143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5891236193 + ... + 5891236226.

It is an arithmetic number, because the mean of its divisors is an integer number (53021125890).

Almost surely, 2^200302031123 is an apocalyptic number.

200302031123 is a deficient number, since it is larger than the sum of its proper divisors (11782472437).

200302031123 is a wasteful number, since it uses less digits than its factorization.

200302031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11782472436.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 200302031123 its reverse (321130203002), we get a palindrome (521432234125).

The spelling of 200302031123 in words is "two hundred billion, three hundred two million, thirty-one thousand, one hundred twenty-three".