1973023 has 4 divisors (see below), whose sum is σ = 2124808. Its totient is φ = 1821240.

The previous prime is 1973021. The next prime is 1973033. The reversal of 1973023 is 3203791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3203791 = 1579 ⋅2029.

It is a cyclic number.

It is not a de Polignac number, because 1973023 - 2¹ = 1973021 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75873 + ... + 75898.

It is an arithmetic number, because the mean of its divisors is an integer number (531202).

2^1973023 is an apocalyptic number.

1973023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1973023 is a deficient number, since it is larger than the sum of its proper divisors (151785).

1973023 is a wasteful number, since it uses less digits than its factorization.

1973023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151784.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1973023 is about 1404.6433711088. The cubic root of 1973023 is about 125.4230572320.

The spelling of 1973023 in words is "one million, nine hundred seventy-three thousand, twenty-three".