11923807 has 6 divisors (see below), whose sum is σ = 13870608. Its totient is φ = 10220364.

The previous prime is 11923787. The next prime is 11923823. The reversal of 11923807 is 70832911.

It is a de Polignac number, because none of the positive numbers 2^k-11923807 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 (11923897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121623 + ... + 121720.

It is an arithmetic number, because the mean of its divisors is an integer number (2311768).

Almost surely, 2^11923807 is an apocalyptic number.

11923807 is a deficient number, since it is larger than the sum of its proper divisors (1946801).

11923807 is an equidigital number, since it uses as much as digits as its factorization.

11923807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243357 (or 243350 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11923807 is about 3453.0865902841. The cubic root of 11923807 is about 228.4572681593.

The spelling of 11923807 in words is "eleven million, nine hundred twenty-three thousand, eight hundred seven".