11923077 has 4 divisors (see below), whose sum is σ = 15897440. Its totient is φ = 7948716.

The previous prime is 11923057. The next prime is 11923081. The reversal of 11923077 is 77032911.

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 not a de Polignac number, because 11923077 - 2⁸ = 11922821 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 (11923057) 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, 1987177 + ... + 1987182.

It is an arithmetic number, because the mean of its divisors is an integer number (3974360).

Almost surely, 2^11923077 is an apocalyptic number.

It is an amenable number.

11923077 is a deficient number, since it is larger than the sum of its proper divisors (3974363).

11923077 is an equidigital number, since it uses as much as digits as its factorization.

11923077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974362.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 11923077 is about 3452.9808861330. The cubic root of 11923077 is about 228.4526058561.

Adding to 11923077 its reverse (77032911), we get a palindrome (88955988).

The spelling of 11923077 in words is "eleven million, nine hundred twenty-three thousand, seventy-seven".