136670344923 has 32 divisors (see below), whose sum is σ = 209371815936. Its totient is φ = 77681249568.

The previous prime is 136670344903. The next prime is 136670344939. The reversal of 136670344923 is 329443076631.

It is not a de Polignac number, because 136670344923 - 2¹⁰ = 136670343899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136670344903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3325486 + ... + 3366332.

It is an arithmetic number, because the mean of its divisors is an integer number (6542869248).

Almost surely, 2^136670344923 is an apocalyptic number.

136670344923 is a deficient number, since it is larger than the sum of its proper divisors (72701471013).

136670344923 is a wasteful number, since it uses less digits than its factorization.

136670344923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41703.

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 136670344923 in words is "one hundred thirty-six billion, six hundred seventy million, three hundred forty-four thousand, nine hundred twenty-three".