823937250973 has 4 divisors (see below), whose sum is σ = 833864205888. Its totient is φ = 814010296060.

The previous prime is 823937250967. The next prime is 823937250979. The reversal of 823937250973 is 379052739328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (823937250967) and next prime (823937250979).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-823937250973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823937250979) 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, 4963477333 + ... + 4963477498.

It is an arithmetic number, because the mean of its divisors is an integer number (208466051472).

Almost surely, 2^823937250973 is an apocalyptic number.

823937250973 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

823937250973 is a deficient number, since it is larger than the sum of its proper divisors (9926954915).

823937250973 is an equidigital number, since it uses as much as digits as its factorization.

823937250973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926954914.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 823937250973 in words is "eight hundred twenty-three billion, nine hundred thirty-seven million, two hundred fifty thousand, nine hundred seventy-three".