1623361478 has 8 divisors (see below), whose sum is σ = 2519009280. Its totient is φ = 783691720.

The previous prime is 1623361457. The next prime is 1623361511. The reversal of 1623361478 is 8741633261.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13994438 + ... + 13994553.

It is an arithmetic number, because the mean of its divisors is an integer number (314876160).

Almost surely, 2^1623361478 is an apocalyptic number.

1623361478 is a deficient number, since it is larger than the sum of its proper divisors (895647802).

1623361478 is a wasteful number, since it uses less digits than its factorization.

1623361478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27989022.

The product of its digits is 145152, while the sum is 41.

The square root of 1623361478 is about 40290.9602516495. The cubic root of 1623361478 is about 1175.2720608588.

The spelling of 1623361478 in words is "one billion, six hundred twenty-three million, three hundred sixty-one thousand, four hundred seventy-eight".