1283154123873 has 16 divisors (see below), whose sum is σ = 1713253231872. Its totient is φ = 854246298000.

The previous prime is 1283154123827. The next prime is 1283154123907. The reversal of 1283154123873 is 3783214513821.

It is not a de Polignac number, because 1283154123873 - 2⁶ = 1283154123809 is a prime.

It is a super-2 number, since 2×1283154123873² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1283154123373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6882778 + ... + 7066748.

It is an arithmetic number, because the mean of its divisors is an integer number (107078326992).

Almost surely, 2^{1283154123873} is an apocalyptic number.

It is an amenable number.

1283154123873 is a deficient number, since it is larger than the sum of its proper divisors (430099107999).

1283154123873 is a wasteful number, since it uses less digits than its factorization.

1283154123873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187196.

The product of its digits is 967680, while the sum is 48.

The spelling of 1283154123873 in words is "one trillion, two hundred eighty-three billion, one hundred fifty-four million, one hundred twenty-three thousand, eight hundred seventy-three".