1630373023 has 4 divisors (see below), whose sum is σ = 1631445048. Its totient is φ = 1629301000.

The previous prime is 1630372999. The next prime is 1630373029. The reversal of 1630373023 is 3203730361.

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 1630373023 - 2⁹ = 1630372511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1630372982 and 1630373000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630373029) 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, 533728 + ... + 536773.

It is an arithmetic number, because the mean of its divisors is an integer number (407861262).

Almost surely, 2^1630373023 is an apocalyptic number.

1630373023 is a deficient number, since it is larger than the sum of its proper divisors (1072025).

1630373023 is a wasteful number, since it uses less digits than its factorization.

1630373023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072024.

The product of its (nonzero) digits is 6804, while the sum is 28.

The square root of 1630373023 is about 40377.8778912414. The cubic root of 1630373023 is about 1176.9616901636.

The spelling of 1630373023 in words is "one billion, six hundred thirty million, three hundred seventy-three thousand, twenty-three".