105420351123043 has 8 divisors (see below), whose sum is σ = 115028714334960. Its totient is φ = 95816103732480.

The previous prime is 105420351123041. The next prime is 105420351123107. The reversal of 105420351123043 is 340321153024501.

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 105420351123043 - 2¹ = 105420351123041 is a prime.

It is a super-2 number, since 2×105420351123043² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105420351123041) 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, 1028901778 + ... + 1029004231.

It is an arithmetic number, because the mean of its divisors is an integer number (14378589291870).

Almost surely, 2^{105420351123043} is an apocalyptic number.

105420351123043 is a deficient number, since it is larger than the sum of its proper divisors (9608363211917).

105420351123043 is a wasteful number, since it uses less digits than its factorization.

105420351123043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057910677.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 105420351123043 in words is "one hundred five trillion, four hundred twenty billion, three hundred fifty-one million, one hundred twenty-three thousand, forty-three".