23077439 has 16 divisors (see below), whose sum is σ = 29051136. Its totient is φ = 17808000.

The previous prime is 23077429. The next prime is 23077447. The reversal of 23077439 is 93477032.

It is a de Polignac number, because none of the positive numbers 2^k-23077439 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 23077399 and 23077408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23077429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6839 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (1815696).

Almost surely, 2^23077439 is an apocalyptic number.

23077439 is a deficient number, since it is larger than the sum of its proper divisors (5973697).

23077439 is a wasteful number, since it uses less digits than its factorization.

23077439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 23077439 is about 4803.8983128289. The cubic root of 23077439 is about 284.7055088772.

The spelling of 23077439 in words is "twenty-three million, seventy-seven thousand, four hundred thirty-nine".