205140414323 has 8 divisors (see below), whose sum is σ = 221116140000. Its totient is φ = 189192644928.

The previous prime is 205140414317. The next prime is 205140414329. The reversal of 205140414323 is 323414041502.

It is an interprime number because it is at equal distance from previous prime (205140414317) and next prime (205140414329).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205140414323 - 2¹⁰ = 205140413299 is a prime.

It is a super-3 number, since 3×205140414323³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205140414329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6973823 + ... + 7003176.

It is an arithmetic number, because the mean of its divisors is an integer number (27639517500).

Almost surely, 2^205140414323 is an apocalyptic number.

205140414323 is a deficient number, since it is larger than the sum of its proper divisors (15975725677).

205140414323 is a wasteful number, since it uses less digits than its factorization.

205140414323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13978141.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 205140414323 its reverse (323414041502), we get a palindrome (528554455825).

The spelling of 205140414323 in words is "two hundred five billion, one hundred forty million, four hundred fourteen thousand, three hundred twenty-three".