1973500823 has 12 divisors (see below), whose sum is σ = 2299772160. Its totient is φ = 1688575392.

The previous prime is 1973500807. The next prime is 1973500829. The reversal of 1973500823 is 3280053791.

It is not a de Polignac number, because 1973500823 - 2⁴ = 1973500807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973500829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7511 + ... + 63272.

It is an arithmetic number, because the mean of its divisors is an integer number (191647680).

Almost surely, 2^1973500823 is an apocalyptic number.

1973500823 is a deficient number, since it is larger than the sum of its proper divisors (326271337).

1973500823 is an equidigital number, since it uses as much as digits as its factorization.

1973500823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71366 (or 71359 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1973500823 is about 44424.1018254731. The cubic root of 1973500823 is about 1254.3318132147.

The spelling of 1973500823 in words is "one billion, nine hundred seventy-three million, five hundred thousand, eight hundred twenty-three".