101023161 has 4 divisors (see below), whose sum is σ = 134697552. Its totient is φ = 67348772.

The previous prime is 101023157. The next prime is 101023187. The reversal of 101023161 is 161320101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101023161 - 2² = 101023157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101023161.

It is not an unprimeable number, because it can be changed into a prime (101023561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16837191 + ... + 16837196.

It is an arithmetic number, because the mean of its divisors is an integer number (33674388).

Almost surely, 2^101023161 is an apocalyptic number.

It is an amenable number.

101023161 is a deficient number, since it is larger than the sum of its proper divisors (33674391).

101023161 is an equidigital number, since it uses as much as digits as its factorization.

101023161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33674390.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 101023161 is about 10051.0278578860. The cubic root of 101023161 is about 465.7365457485.

Adding to 101023161 its reverse (161320101), we get a palindrome (262343262).

The spelling of 101023161 in words is "one hundred one million, twenty-three thousand, one hundred sixty-one".