223681253457 has 8 divisors (see below), whose sum is σ = 302693039776. Its totient is φ = 146895151392.

The previous prime is 223681253429. The next prime is 223681253503. The reversal of 223681253457 is 754352186322.

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

It is not a de Polignac number, because 223681253457 - 2⁷ = 223681253329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223681253057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556420828 + ... + 556421229.

It is an arithmetic number, because the mean of its divisors is an integer number (37836629972).

Almost surely, 2^223681253457 is an apocalyptic number.

It is an amenable number.

223681253457 is a deficient number, since it is larger than the sum of its proper divisors (79011786319).

223681253457 is a wasteful number, since it uses less digits than its factorization.

223681253457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112842127.

The product of its digits is 2419200, while the sum is 48.

The spelling of 223681253457 in words is "two hundred twenty-three billion, six hundred eighty-one million, two hundred fifty-three thousand, four hundred fifty-seven".