23940337 has 2 divisors, whose sum is σ = 23940338. Its totient is φ = 23940336.

The previous prime is 23940331. The next prime is 23940349. The reversal of 23940337 is 73304932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 2187441 = 4664^2 + 1479^2 .

It is a cyclic number.

It is not a de Polignac number, because 23940337 - 2¹⁹ = 23416049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23940299 and 23940308.

It is not a weakly prime, because it can be changed into another prime (23940331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11970168 + 11970169.

It is an arithmetic number, because the mean of its divisors is an integer number (11970169).

Almost surely, 2^23940337 is an apocalyptic number.

It is an amenable number.

23940337 is a deficient number, since it is larger than the sum of its proper divisors (1).

23940337 is an equidigital number, since it uses as much as digits as its factorization.

23940337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 23940337 is about 4892.8863669617. The cubic root of 23940337 is about 288.2106908964.

The spelling of 23940337 in words is "twenty-three million, nine hundred forty thousand, three hundred thirty-seven".