105234423210155 has 24 divisors (see below), whose sum is σ = 130133820344400. Its totient is φ = 81673065573120.

The previous prime is 105234423210121. The next prime is 105234423210181. The reversal of 105234423210155 is 551012324432501.

It is not a de Polignac number, because 105234423210155 - 2²⁶ = 105234356101291 is a prime.

It is a super-2 number, since 2×105234423210155² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30747605 + ... + 33998294.

It is an arithmetic number, because the mean of its divisors is an integer number (5422242514350).

Almost surely, 2^{105234423210155} is an apocalyptic number.

105234423210155 is a deficient number, since it is larger than the sum of its proper divisors (24899397134245).

105234423210155 is an frugal number, since it uses more digits than its factorization.

105234423210155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64746111 (or 64746038 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 105234423210155 its reverse (551012324432501), we get a palindrome (656246747642656).

The spelling of 105234423210155 in words is "one hundred five trillion, two hundred thirty-four billion, four hundred twenty-three million, two hundred ten thousand, one hundred fifty-five".