209702300223 has 16 divisors (see below), whose sum is σ = 301119960960. Its totient is φ = 129043726944.

The previous prime is 209702300179. The next prime is 209702300231. The reversal of 209702300223 is 322003207902.

It is not a de Polignac number, because 209702300223 - 2¹² = 209702296127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209702304223) 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, 1813540 + ... + 1925702.

It is an arithmetic number, because the mean of its divisors is an integer number (18819997560).

Almost surely, 2^209702300223 is an apocalyptic number.

209702300223 is a deficient number, since it is larger than the sum of its proper divisors (91417660737).

209702300223 is a wasteful number, since it uses less digits than its factorization.

209702300223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160118.

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 209702300223 in words is "two hundred nine billion, seven hundred two million, three hundred thousand, two hundred twenty-three".