210123030303029 has 4 divisors (see below), whose sum is σ = 210139182443820. Its totient is φ = 210106878162240.

The previous prime is 210123030303001. The next prime is 210123030303031. The reversal of 210123030303029 is 920303030321012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62404043542129 + 147718986760900 = 7899623^2 + 12153970^2 .

It is a cyclic number.

It is not a de Polignac number, because 210123030303029 - 2¹² = 210123030298933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210123030302992 and 210123030303010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210123030303049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8076050882 + ... + 8076076899.

It is an arithmetic number, because the mean of its divisors is an integer number (52534795610955).

Almost surely, 2^{210123030303029} is an apocalyptic number.

It is an amenable number.

210123030303029 is a deficient number, since it is larger than the sum of its proper divisors (16152140791).

210123030303029 is a wasteful number, since it uses less digits than its factorization.

210123030303029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16152140790.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 210123030303029 in words is "two hundred ten trillion, one hundred twenty-three billion, thirty million, three hundred three thousand, twenty-nine".