3123141145243 has 4 divisors (see below), whose sum is σ = 3569304166000. Its totient is φ = 2676978124488.

The previous prime is 3123141145219. The next prime is 3123141145277. The reversal of 3123141145243 is 3425411413213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3123141145243 - 2⁵ = 3123141145211 is a prime.

It is a super-2 number, since 2×3123141145243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123141145199 and 3123141145208.

It is not an unprimeable number, because it can be changed into a prime (3123141145283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223081510368 + ... + 223081510381.

It is an arithmetic number, because the mean of its divisors is an integer number (892326041500).

Almost surely, 2^{3123141145243} is an apocalyptic number.

3123141145243 is a deficient number, since it is larger than the sum of its proper divisors (446163020757).

3123141145243 is an equidigital number, since it uses as much as digits as its factorization.

3123141145243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446163020756.

The product of its digits is 34560, while the sum is 34.

Adding to 3123141145243 its reverse (3425411413213), we get a palindrome (6548552558456).

The spelling of 3123141145243 in words is "three trillion, one hundred twenty-three billion, one hundred forty-one million, one hundred forty-five thousand, two hundred forty-three".