155441143123 has 6 divisors (see below), whose sum is σ = 180819288996. Its totient is φ = 133235265492.

The previous prime is 155441143111. The next prime is 155441143127. The reversal of 155441143123 is 321341144551.

It is not a de Polignac number, because 155441143123 - 2²⁵ = 155407588691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155441143127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1586134065 + ... + 1586134162.

It is an arithmetic number, because the mean of its divisors is an integer number (30136548166).

Almost surely, 2^155441143123 is an apocalyptic number.

155441143123 is a deficient number, since it is larger than the sum of its proper divisors (25378145873).

155441143123 is an equidigital number, since it uses as much as digits as its factorization.

155441143123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172268241 (or 3172268234 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

Adding to 155441143123 its reverse (321341144551), we get a palindrome (476782287674).

The spelling of 155441143123 in words is "one hundred fifty-five billion, four hundred forty-one million, one hundred forty-three thousand, one hundred twenty-three".