5111042143223 has 4 divisors (see below), whose sum is σ = 5111264105640. Its totient is φ = 5110820180808.

The previous prime is 5111042143211. The next prime is 5111042143241. The reversal of 5111042143223 is 3223412401115.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5111042143223 is a prime.

It is a super-2 number, since 2×5111042143223² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111042143523) 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, 110946665 + ... + 110992722.

It is an arithmetic number, because the mean of its divisors is an integer number (1277816026410).

Almost surely, 2^{5111042143223} is an apocalyptic number.

5111042143223 is a deficient number, since it is larger than the sum of its proper divisors (221962417).

5111042143223 is a wasteful number, since it uses less digits than its factorization.

5111042143223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221962416.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 5111042143223 its reverse (3223412401115), we get a palindrome (8334454544338).

The spelling of 5111042143223 in words is "five trillion, one hundred eleven billion, forty-two million, one hundred forty-three thousand, two hundred twenty-three".