83507623 has 2 divisors, whose sum is σ = 83507624. Its totient is φ = 83507622.

The previous prime is 83507581. The next prime is 83507629. The reversal of 83507623 is 32670538.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83507623 is a prime.

It is a super-2 number, since 2×83507623² = 13947046198220258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83507629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41753811 + 41753812.

It is an arithmetic number, because the mean of its divisors is an integer number (41753812).

Almost surely, 2^83507623 is an apocalyptic number.

83507623 is a deficient number, since it is larger than the sum of its proper divisors (1).

83507623 is an equidigital number, since it uses as much as digits as its factorization.

83507623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 83507623 is about 9138.2505437310. The cubic root of 83507623 is about 437.0945324172.

The spelling of 83507623 in words is "eighty-three million, five hundred seven thousand, six hundred twenty-three".