205101106234423 has 12 divisors (see below), whose sum is σ = 240949248671592. Its totient is φ = 174060344749200.

The previous prime is 205101106234361. The next prime is 205101106234537. The reversal of 205101106234423 is 324432601101502.

It is not a de Polignac number, because 205101106234423 - 2¹⁷ = 205101106103351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205101106232423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20721464665 + ... + 20721474562.

It is an arithmetic number, because the mean of its divisors is an integer number (20079104055966).

Almost surely, 2^{205101106234423} is an apocalyptic number.

205101106234423 is a deficient number, since it is larger than the sum of its proper divisors (35848142437169).

205101106234423 is a wasteful number, since it uses less digits than its factorization.

205101106234423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41442939342 (or 41442939335 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 205101106234423 its reverse (324432601101502), we get a palindrome (529533707335925).

The spelling of 205101106234423 in words is "two hundred five trillion, one hundred one billion, one hundred six million, two hundred thirty-four thousand, four hundred twenty-three".