136205231223 has 8 divisors (see below), whose sum is σ = 184584138736. Its totient is φ = 89314905600.

The previous prime is 136205231209. The next prime is 136205231287. The reversal of 136205231223 is 322132502631.

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

It is not a de Polignac number, because 136205231223 - 2¹⁴ = 136205214839 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 (136205231423) 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, 372145258 + ... + 372145623.

It is an arithmetic number, because the mean of its divisors is an integer number (23073017342).

Almost surely, 2^136205231223 is an apocalyptic number.

136205231223 is a deficient number, since it is larger than the sum of its proper divisors (48378907513).

136205231223 is an equidigital number, since it uses as much as digits as its factorization.

136205231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744290945.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 136205231223 its reverse (322132502631), we get a palindrome (458337733854).

The spelling of 136205231223 in words is "one hundred thirty-six billion, two hundred five million, two hundred thirty-one thousand, two hundred twenty-three".