101423432105 has 4 divisors (see below), whose sum is σ = 121708118532. Its totient is φ = 81138745680.

The previous prime is 101423432093. The next prime is 101423432111. The reversal of 101423432105 is 501234324101.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33433391104 + 67990041001 = 182848^2 + 260749^2 .

It is not a de Polignac number, because 101423432105 - 2²⁴ = 101406654889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10142343206 + ... + 10142343215.

It is an arithmetic number, because the mean of its divisors is an integer number (30427029633).

Almost surely, 2^101423432105 is an apocalyptic number.

It is an amenable number.

101423432105 is a deficient number, since it is larger than the sum of its proper divisors (20284686427).

101423432105 is an equidigital number, since it uses as much as digits as its factorization.

101423432105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20284686426.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 101423432105 its reverse (501234324101), we get a palindrome (602657756206).

The spelling of 101423432105 in words is "one hundred one billion, four hundred twenty-three million, four hundred thirty-two thousand, one hundred five".