23420452730723 has 8 divisors (see below), whose sum is σ = 23918835686400. Its totient is φ = 22922072918920.

The previous prime is 23420452730699. The next prime is 23420452730791. The reversal of 23420452730723 is 32703725402432.

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 23420452730723 - 2⁶ = 23420452730659 is a prime.

It is a super-2 number, since 2×23420452730723² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420452730023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20133008 + ... + 21264498.

It is an arithmetic number, because the mean of its divisors is an integer number (2989854460800).

Almost surely, 2^{23420452730723} is an apocalyptic number.

23420452730723 is a deficient number, since it is larger than the sum of its proper divisors (498382955677).

23420452730723 is a wasteful number, since it uses less digits than its factorization.

23420452730723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571937.

The product of its (nonzero) digits is 1693440, while the sum is 44.

The spelling of 23420452730723 in words is "twenty-three trillion, four hundred twenty billion, four hundred fifty-two million, seven hundred thirty thousand, seven hundred twenty-three".