105256400343 has 8 divisors (see below), whose sum is σ = 144869024256. Its totient is φ = 67907355000.

The previous prime is 105256400323. The next prime is 105256400351. The reversal of 105256400343 is 343004652501.

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

It is not a de Polignac number, because 105256400343 - 2⁵ = 105256400311 is a prime.

It is a super-2 number, since 2×105256400343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105256400323) 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, 565894533 + ... + 565894718.

It is an arithmetic number, because the mean of its divisors is an integer number (18108628032).

Almost surely, 2^105256400343 is an apocalyptic number.

105256400343 is a deficient number, since it is larger than the sum of its proper divisors (39612623913).

105256400343 is a wasteful number, since it uses less digits than its factorization.

105256400343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131789285.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 105256400343 in words is "one hundred five billion, two hundred fifty-six million, four hundred thousand, three hundred forty-three".