83903623 has 2 divisors, whose sum is σ = 83903624. Its totient is φ = 83903622.

The previous prime is 83903591. The next prime is 83903647. The reversal of 83903623 is 32630938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83903623 - 2⁵ = 83903591 is a prime.

It is a super-2 number, since 2×83903623² = 14079635905052258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83903423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41951811 + 41951812.

It is an arithmetic number, because the mean of its divisors is an integer number (41951812).

Almost surely, 2^83903623 is an apocalyptic number.

83903623 is a deficient number, since it is larger than the sum of its proper divisors (1).

83903623 is an equidigital number, since it uses as much as digits as its factorization.

83903623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 83903623 is about 9159.8920845172. The cubic root of 83903623 is about 437.7843558758.

The spelling of 83903623 in words is "eighty-three million, nine hundred three thousand, six hundred twenty-three".