1623937338244 has 81 divisors (see below), whose sum is σ = 3218436958149. Its totient is φ = 716585744160.

The previous prime is 1623937338241. The next prime is 1623937338269. The reversal of 1623937338244 is 4428337393261.

The square root of 1623937338244 is 1274338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 240227416900 + 1383709921344 = 490130^2 + 1176312^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1623937338241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 762053059 + ... + 762055189.

Almost surely, 2^{1623937338244} is an apocalyptic number.

1623937338244 is the 1274338-th square number.

It is an amenable number.

1623937338244 is a deficient number, since it is larger than the sum of its proper divisors (1594499619905).

1623937338244 is an equidigital number, since it uses as much as digits as its factorization.

1623937338244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338 (or 2169 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 55.

The spelling of 1623937338244 in words is "one trillion, six hundred twenty-three billion, nine hundred thirty-seven million, three hundred thirty-eight thousand, two hundred forty-four".