67563623 has 2 divisors, whose sum is σ = 67563624. Its totient is φ = 67563622.

The previous prime is 67563589. The next prime is 67563631. The reversal of 67563623 is 32636576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67563623 - 2²⁶ = 454759 is a prime.

It is a super-2 number, since 2×67563623² = 9129686305772258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67563653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33781811 + 33781812.

It is an arithmetic number, because the mean of its divisors is an integer number (33781812).

Almost surely, 2^67563623 is an apocalyptic number.

67563623 is a deficient number, since it is larger than the sum of its proper divisors (1).

67563623 is an equidigital number, since it uses as much as digits as its factorization.

67563623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 38.

The square root of 67563623 is about 8219.7094230879. The cubic root of 67563623 is about 407.2905277932.

It can be divided in two parts, 67563 and 623, that added together give a palindrome (68186).

The spelling of 67563623 in words is "sixty-seven million, five hundred sixty-three thousand, six hundred twenty-three".