23739137 has 2 divisors, whose sum is σ = 23739138. Its totient is φ = 23739136.

The previous prime is 23739109. The next prime is 23739143. The reversal of 23739137 is 73193732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21864976 + 1874161 = 4676^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 23739137 - 2¹⁴ = 23722753 is a prime.

It is a super-3 number, since 3×23739137³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23739097 and 23739106.

It is not a weakly prime, because it can be changed into another prime (23739637) 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 as a sum of consecutive naturals, namely, 11869568 + 11869569.

It is an arithmetic number, because the mean of its divisors is an integer number (11869569).

Almost surely, 2^23739137 is an apocalyptic number.

It is an amenable number.

23739137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23739137 is an equidigital number, since it uses as much as digits as its factorization.

23739137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 35.

The square root of 23739137 is about 4872.2825246490. The cubic root of 23739137 is about 287.4010225137.

The spelling of 23739137 in words is "twenty-three million, seven hundred thirty-nine thousand, one hundred thirty-seven".