1023143412123 has 16 divisors (see below), whose sum is σ = 1732306306560. Its totient is φ = 584653378248.

The previous prime is 1023143412121. The next prime is 1023143412133. The reversal of 1023143412123 is 3212143413201.

1023143412123 is a `hidden beast` number, since 1 + 0 + 2 + 314 + 341 + 2 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 1023143412123 - 2¹ = 1023143412121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1023143412121) by changing a digit.

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, 2706728415 + ... + 2706728792.

It is an arithmetic number, because the mean of its divisors is an integer number (108269144160).

Almost surely, 2^{1023143412123} is an apocalyptic number.

1023143412123 is a deficient number, since it is larger than the sum of its proper divisors (709162894437).

1023143412123 is an equidigital number, since it uses as much as digits as its factorization.

1023143412123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413457223 (or 5413457217 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1023143412123 its reverse (3212143413201), we get a palindrome (4235286825324).

The spelling of 1023143412123 in words is "one trillion, twenty-three billion, one hundred forty-three million, four hundred twelve thousand, one hundred twenty-three".