123020531143 has 8 divisors (see below), whose sum is σ = 129507840000. Its totient is φ = 116534476728.

The previous prime is 123020531131. The next prime is 123020531173. The reversal of 123020531143 is 341135020321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123020531143 - 2¹⁷ = 123020400071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020531113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108871 + ... + 507832.

It is an arithmetic number, because the mean of its divisors is an integer number (16188480000).

Almost surely, 2^123020531143 is an apocalyptic number.

123020531143 is a deficient number, since it is larger than the sum of its proper divisors (6487308857).

123020531143 is a wasteful number, since it uses less digits than its factorization.

123020531143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627221.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 123020531143 its reverse (341135020321), we get a palindrome (464155551464).

The spelling of 123020531143 in words is "one hundred twenty-three billion, twenty million, five hundred thirty-one thousand, one hundred forty-three".