11723345673445 has 16 divisors (see below), whose sum is σ = 16185635452800. Its totient is φ = 7984913482944.

The previous prime is 11723345673433. The next prime is 11723345673463. The reversal of 11723345673445 is 54437654332711.

It is a cyclic number.

It is not a de Polignac number, because 11723345673445 - 2²⁹ = 11722808802533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123997247 + ... + 1124007676.

It is an arithmetic number, because the mean of its divisors is an integer number (1011602215800).

Almost surely, 2^{11723345673445} is an apocalyptic number.

It is an amenable number.

11723345673445 is a deficient number, since it is larger than the sum of its proper divisors (4462289779355).

11723345673445 is a wasteful number, since it uses less digits than its factorization.

11723345673445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248005084.

The product of its digits is 25401600, while the sum is 55.

The spelling of 11723345673445 in words is "eleven trillion, seven hundred twenty-three billion, three hundred forty-five million, six hundred seventy-three thousand, four hundred forty-five".