123430134141143 has 4 divisors (see below), whose sum is σ = 124402024961280. Its totient is φ = 122458243321008.

The previous prime is 123430134141091. The next prime is 123430134141179. The reversal of 123430134141143 is 341141431034321.

It is a happy number.

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 123430134141143 - 2⁴² = 119032087630039 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 (123430134141343) 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, 485945409878 + ... + 485945410131.

It is an arithmetic number, because the mean of its divisors is an integer number (31100506240320).

Almost surely, 2^{123430134141143} is an apocalyptic number.

123430134141143 is a deficient number, since it is larger than the sum of its proper divisors (971890820137).

123430134141143 is an equidigital number, since it uses as much as digits as its factorization.

123430134141143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971890820136.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 123430134141143 its reverse (341141431034321), we get a palindrome (464571565175464).

The spelling of 123430134141143 in words is "one hundred twenty-three trillion, four hundred thirty billion, one hundred thirty-four million, one hundred forty-one thousand, one hundred forty-three".