12101023 has 4 divisors (see below), whose sum is σ = 13201128. Its totient is φ = 11000920.

The previous prime is 12101021. The next prime is 12101053. The reversal of 12101023 is 32010121.

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

It is a cyclic number.

It is not a de Polignac number, because 12101023 - 2¹ = 12101021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101021) 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, 550036 + ... + 550057.

It is an arithmetic number, because the mean of its divisors is an integer number (3300282).

Almost surely, 2^12101023 is an apocalyptic number.

12101023 is a deficient number, since it is larger than the sum of its proper divisors (1100105).

12101023 is a wasteful number, since it uses less digits than its factorization.

12101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100104.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12101023 is about 3478.6524689885. The cubic root of 12101023 is about 229.5835121827.

Adding to 12101023 its reverse (32010121), we get a palindrome (44111144).

The spelling of 12101023 in words is "twelve million, one hundred one thousand, twenty-three".