5105123143394 has 4 divisors (see below), whose sum is σ = 7657684715094. Its totient is φ = 2552561571696.

The previous prime is 5105123143363. The next prime is 5105123143399. The reversal of 5105123143394 is 4933413215015.

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

It can be written as a sum of positive squares in only one way, i.e., 4614054361225 + 491068782169 = 2148035^2 + 700763^2 .

It is a super-3 number, since 3×5105123143394³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5105123143399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276280785847 + ... + 1276280785850.

Almost surely, 2^{5105123143394} is an apocalyptic number.

5105123143394 is a deficient number, since it is larger than the sum of its proper divisors (2552561571700).

5105123143394 is a wasteful number, since it uses less digits than its factorization.

5105123143394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552561571699.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 5105123143394 in words is "five trillion, one hundred five billion, one hundred twenty-three million, one hundred forty-three thousand, three hundred ninety-four".