23983537 has 2 divisors, whose sum is σ = 23983538. Its totient is φ = 23983536.

The previous prime is 23983523. The next prime is 23983591. The reversal of 23983537 is 73538932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12362256 + 11621281 = 3516^2 + 3409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23983537 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23983537.

It is not a weakly prime, because it can be changed into another prime (23983517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11991768 + 11991769.

It is an arithmetic number, because the mean of its divisors is an integer number (11991769).

Almost surely, 2^23983537 is an apocalyptic number.

It is an amenable number.

23983537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23983537 is an equidigital number, since it uses as much as digits as its factorization.

23983537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 23983537 is about 4897.2989494210. The cubic root of 23983537 is about 288.3839441009.

The spelling of 23983537 in words is "twenty-three million, nine hundred eighty-three thousand, five hundred thirty-seven".