1623245973 has 8 divisors (see below), whose sum is σ = 2164725600. Its totient is φ = 1081965168.

The previous prime is 1623245959. The next prime is 1623245977. The reversal of 1623245973 is 3795423261.

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

It is not a de Polignac number, because 1623245973 - 2⁵ = 1623245941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623245977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29478 + ... + 64151.

It is an arithmetic number, because the mean of its divisors is an integer number (270590700).

Almost surely, 2^1623245973 is an apocalyptic number.

It is an amenable number.

1623245973 is a deficient number, since it is larger than the sum of its proper divisors (541479627).

1623245973 is an equidigital number, since it uses as much as digits as its factorization.

1623245973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99411.

The product of its digits is 272160, while the sum is 42.

The square root of 1623245973 is about 40289.5268401107. The cubic root of 1623245973 is about 1175.2441859788.

The spelling of 1623245973 in words is "one billion, six hundred twenty-three million, two hundred forty-five thousand, nine hundred seventy-three".