23255455391 has 8 divisors (see below), whose sum is σ = 26578656384. Its totient is φ = 19932502680.

The previous prime is 23255455367. The next prime is 23255455417. The reversal of 23255455391 is 19355455232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23255455391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23255455361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230756 + ... + 315846.

It is an arithmetic number, because the mean of its divisors is an integer number (3322332048).

Almost surely, 2^23255455391 is an apocalyptic number.

23255455391 is a deficient number, since it is larger than the sum of its proper divisors (3323200993).

23255455391 is an equidigital number, since it uses as much as digits as its factorization.

23255455391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124141.

The product of its digits is 810000, while the sum is 44.

The spelling of 23255455391 in words is "twenty-three billion, two hundred fifty-five million, four hundred fifty-five thousand, three hundred ninety-one".