1023200031243 has 48 divisors (see below), whose sum is σ = 1508970574944. Its totient is φ = 612705669120.

The previous prime is 1023200031239. The next prime is 1023200031323. The reversal of 1023200031243 is 3421300023201.

It is not a de Polignac number, because 1023200031243 - 2² = 1023200031239 is a prime.

It is a super-2 number, since 2×1023200031243² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023200031223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 299793205 + ... + 299796617.

It is an arithmetic number, because the mean of its divisors is an integer number (31436886978).

Almost surely, 2^{1023200031243} is an apocalyptic number.

1023200031243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1023200031243 is a deficient number, since it is larger than the sum of its proper divisors (485770543701).

1023200031243 is an equidigital number, since it uses as much as digits as its factorization.

1023200031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1023200031243 its reverse (3421300023201), we get a palindrome (4444500054444).

The spelling of 1023200031243 in words is "one trillion, twenty-three billion, two hundred million, thirty-one thousand, two hundred forty-three".