210123030303231 has 4 divisors (see below), whose sum is σ = 280164040404312. Its totient is φ = 140082020202152.

The previous prime is 210123030303229. The next prime is 210123030303253. The reversal of 210123030303231 is 132303030321012.

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 210123030303231 - 2¹ = 210123030303229 is a prime.

It is a super-2 number, since 2×210123030303231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210123030303031) 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, 35020505050536 + ... + 35020505050541.

It is an arithmetic number, because the mean of its divisors is an integer number (70041010101078).

Almost surely, 2^{210123030303231} is an apocalyptic number.

210123030303231 is a deficient number, since it is larger than the sum of its proper divisors (70041010101081).

210123030303231 is an equidigital number, since it uses as much as digits as its factorization.

210123030303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70041010101080.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 210123030303231 its reverse (132303030321012), we get a palindrome (342426060624243).

The spelling of 210123030303231 in words is "two hundred ten trillion, one hundred twenty-three billion, thirty million, three hundred three thousand, two hundred thirty-one".