23454545573 has 8 divisors (see below), whose sum is σ = 25762430400. Its totient is φ = 21254004288.

The previous prime is 23454545563. The next prime is 23454545591. The reversal of 23454545573 is 37554545432.

It is a happy number.

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 23454545573 - 2⁶ = 23454545509 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 (23454545563) 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, 26835428 + ... + 26836301.

It is an arithmetic number, because the mean of its divisors is an integer number (3220303800).

Almost surely, 2^23454545573 is an apocalyptic number.

23454545573 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23454545573 is a deficient number, since it is larger than the sum of its proper divisors (2307884827).

23454545573 is a wasteful number, since it uses less digits than its factorization.

23454545573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53671771.

The product of its digits is 5040000, while the sum is 47.

The spelling of 23454545573 in words is "twenty-three billion, four hundred fifty-four million, five hundred forty-five thousand, five hundred seventy-three".