210528249123 has 16 divisors (see below), whose sum is σ = 290560962560. Its totient is φ = 135483588576.

The previous prime is 210528249121. The next prime is 210528249161. The reversal of 210528249123 is 321942825012.

It is not a de Polignac number, because 210528249123 - 2¹ = 210528249121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210528249121) 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, 7453033 + ... + 7481226.

It is an arithmetic number, because the mean of its divisors is an integer number (18160060160).

Almost surely, 2^210528249123 is an apocalyptic number.

210528249123 is a deficient number, since it is larger than the sum of its proper divisors (80032713437).

210528249123 is a wasteful number, since it uses less digits than its factorization.

210528249123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14934426.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 210528249123 in words is "two hundred ten billion, five hundred twenty-eight million, two hundred forty-nine thousand, one hundred twenty-three".