1623920255 has 8 divisors (see below), whose sum is σ = 1970600400. Its totient is φ = 1284538816.

The previous prime is 1623920219. The next prime is 1623920261. The reversal of 1623920255 is 5520293261.

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 1623920255 - 2²⁸ = 1355484799 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1824185 + ... + 1825074.

It is an arithmetic number, because the mean of its divisors is an integer number (246325050).

Almost surely, 2^1623920255 is an apocalyptic number.

1623920255 is a deficient number, since it is larger than the sum of its proper divisors (346680145).

1623920255 is an equidigital number, since it uses as much as digits as its factorization.

1623920255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649353.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1623920255 is about 40297.8939275987. The cubic root of 1623920255 is about 1175.4068921272.

The spelling of 1623920255 in words is "one billion, six hundred twenty-three million, nine hundred twenty thousand, two hundred fifty-five".