1373311623 has 16 divisors (see below), whose sum is σ = 1916868096. Its totient is φ = 872905440.

The previous prime is 1373311603. The next prime is 1373311627. The reversal of 1373311623 is 3261133731.

It is not a de Polignac number, because 1373311623 - 2⁸ = 1373311367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373311627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10540 + ... + 53457.

It is an arithmetic number, because the mean of its divisors is an integer number (119804256).

Almost surely, 2^1373311623 is an apocalyptic number.

1373311623 is a deficient number, since it is larger than the sum of its proper divisors (543556473).

1373311623 is a wasteful number, since it uses less digits than its factorization.

1373311623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64334.

The product of its digits is 6804, while the sum is 30.

The square root of 1373311623 is about 37058.2193716860. The cubic root of 1373311623 is about 1111.5347174321.

The spelling of 1373311623 in words is "one billion, three hundred seventy-three million, three hundred eleven thousand, six hundred twenty-three".