1023170071723 has 8 divisors (see below), whose sum is σ = 1048285077840. Its totient is φ = 998062667520.

The previous prime is 1023170071709. The next prime is 1023170071727. The reversal of 1023170071723 is 3271700713201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023170071723 - 2²⁹ = 1022633200811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023170071727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627513 + ... + 2166826.

It is an arithmetic number, because the mean of its divisors is an integer number (131035634730).

Almost surely, 2^{1023170071723} is an apocalyptic number.

1023170071723 is a deficient number, since it is larger than the sum of its proper divisors (25115006117).

1023170071723 is an equidigital number, since it uses as much as digits as its factorization.

1023170071723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800957.

The product of its (nonzero) digits is 12348, while the sum is 34.

Adding to 1023170071723 its reverse (3271700713201), we get a palindrome (4294870784924).

The spelling of 1023170071723 in words is "one trillion, twenty-three billion, one hundred seventy million, seventy-one thousand, seven hundred twenty-three".