1023300342505 has 16 divisors (see below), whose sum is σ = 1404744562944. Its totient is φ = 701011045440.

The previous prime is 1023300342431. The next prime is 1023300342517. The reversal of 1023300342505 is 5052430033201.

It is not a de Polignac number, because 1023300342505 - 2¹³ = 1023300334313 is a prime.

It is a super-3 number, since 3×1023300342505³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14142942 + ... + 14215111.

It is an arithmetic number, because the mean of its divisors is an integer number (87796535184).

Almost surely, 2^{1023300342505} is an apocalyptic number.

It is an amenable number.

1023300342505 is a deficient number, since it is larger than the sum of its proper divisors (381444220439).

1023300342505 is a wasteful number, since it uses less digits than its factorization.

1023300342505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28359096.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 1023300342505 its reverse (5052430033201), we get a palindrome (6075730375706).

The spelling of 1023300342505 in words is "one trillion, twenty-three billion, three hundred million, three hundred forty-two thousand, five hundred five".