11923013 has 8 divisors (see below), whose sum is σ = 12623520. Its totient is φ = 11229840.

The previous prime is 11922979. The next prime is 11923019. The reversal of 11923013 is 31032911.

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 11923013 - 2¹⁰ = 11921989 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 (11923019) 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, 1706 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (1577940).

Almost surely, 2^11923013 is an apocalyptic number.

It is an amenable number.

11923013 is a deficient number, since it is larger than the sum of its proper divisors (700507).

11923013 is a wasteful number, since it uses less digits than its factorization.

11923013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 11923013 is about 3452.9716187655. The cubic root of 11923013 is about 228.4521970972.

Adding to 11923013 its reverse (31032911), we get a palindrome (42955924).

It can be divided in two parts, 119 and 23013, that added together give a palindrome (23132).

The spelling of 11923013 in words is "eleven million, nine hundred twenty-three thousand, thirteen".