5405123143 has 8 divisors (see below), whose sum is σ = 6240967712. Its totient is φ = 4585199616.

The previous prime is 5405123131. The next prime is 5405123147. The reversal of 5405123143 is 3413215045.

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

It is a cyclic number.

It is not a de Polignac number, because 5405123143 - 2¹⁷ = 5404992071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405123147) 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, 3979530 + ... + 3980887.

It is an arithmetic number, because the mean of its divisors is an integer number (780120964).

Almost surely, 2^5405123143 is an apocalyptic number.

5405123143 is a deficient number, since it is larger than the sum of its proper divisors (835844569).

5405123143 is an equidigital number, since it uses as much as digits as its factorization.

5405123143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960521.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5405123143 is about 73519.5425924291. The cubic root of 5405123143 is about 1754.9652883398.

Adding to 5405123143 its reverse (3413215045), we get a palindrome (8818338188).

The spelling of 5405123143 in words is "five billion, four hundred five million, one hundred twenty-three thousand, one hundred forty-three".