200123297293 has 4 divisors (see below), whose sum is σ = 200211498460. Its totient is φ = 200035096128.

The previous prime is 200123297291. The next prime is 200123297317. The reversal of 200123297293 is 392792321002.

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 61324579044 + 138798718249 = 247638^2 + 372557^2 .

It is a cyclic number.

It is not a de Polignac number, because 200123297293 - 2¹ = 200123297291 is a prime.

It is a super-2 number, since 2×200123297293² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200123297291) 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, 44097180 + ... + 44101717.

It is an arithmetic number, because the mean of its divisors is an integer number (50052874615).

Almost surely, 2^200123297293 is an apocalyptic number.

It is an amenable number.

200123297293 is a deficient number, since it is larger than the sum of its proper divisors (88201167).

200123297293 is an equidigital number, since it uses as much as digits as its factorization.

200123297293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88201166.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 200123297293 in words is "two hundred billion, one hundred twenty-three million, two hundred ninety-seven thousand, two hundred ninety-three".