23339137 has 4 divisors (see below), whose sum is σ = 23349060. Its totient is φ = 23329216.

The previous prime is 23339131. The next prime is 23339143. The reversal of 23339137 is 73193332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (23339131) and next prime (23339143).

It can be written as a sum of positive squares in 2 ways, for example, as 5157441 + 18181696 = 2271^2 + 4264^2 .

It is a cyclic number.

It is not a de Polignac number, because 23339137 - 2⁷ = 23339009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23339099 and 23339108.

It is not an unprimeable number, because it can be changed into a prime (23339131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (5837265).

Almost surely, 2^23339137 is an apocalyptic number.

It is an amenable number.

23339137 is a deficient number, since it is larger than the sum of its proper divisors (9923).

23339137 is an equidigital number, since it uses as much as digits as its factorization.

23339137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922.

The product of its digits is 10206, while the sum is 31.

The square root of 23339137 is about 4831.0596146187. The cubic root of 23339137 is about 285.7776525048. Note that the first 3 decimals are identical.

The spelling of 23339137 in words is "twenty-three million, three hundred thirty-nine thousand, one hundred thirty-seven".