20101230043 has 8 divisors (see below), whose sum is σ = 20238249168. Its totient is φ = 19964550144.

The previous prime is 20101230011. The next prime is 20101230047. The reversal of 20101230043 is 34003210102.

It is a happy number.

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 20101230043 - 2⁵ = 20101230011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101229999 and 20101230026.

It is not an unprimeable number, because it can be changed into a prime (20101230047) 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, 34680 + ... + 203482.

It is an arithmetic number, because the mean of its divisors is an integer number (2529781146).

Almost surely, 2^20101230043 is an apocalyptic number.

20101230043 is a deficient number, since it is larger than the sum of its proper divisors (137019125).

20101230043 is a wasteful number, since it uses less digits than its factorization.

20101230043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169613.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20101230043 its reverse (34003210102), we get a palindrome (54104440145).

The spelling of 20101230043 in words is "twenty billion, one hundred one million, two hundred thirty thousand, forty-three".