1073633623 has 4 divisors (see below), whose sum is σ = 1136788560. Its totient is φ = 1010478688.

The previous prime is 1073633609. The next prime is 1073633647. The reversal of 1073633623 is 3263363701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1073633623 - 2⁹ = 1073633111 is a prime.

It is a super-2 number, since 2×1073633623² = 2305378312872212258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073633663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31577443 + ... + 31577476.

It is an arithmetic number, because the mean of its divisors is an integer number (284197140).

Almost surely, 2^1073633623 is an apocalyptic number.

1073633623 is a deficient number, since it is larger than the sum of its proper divisors (63154937).

1073633623 is an equidigital number, since it uses as much as digits as its factorization.

1073633623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63154936.

The product of its (nonzero) digits is 40824, while the sum is 34.

The square root of 1073633623 is about 32766.3489421693. The cubic root of 1073633623 is about 1023.9656026730.

The spelling of 1073633623 in words is "one billion, seventy-three million, six hundred thirty-three thousand, six hundred twenty-three".