68226523 has 2 divisors, whose sum is σ = 68226524. Its totient is φ = 68226522.

The previous prime is 68226497. The next prime is 68226539. The reversal of 68226523 is 32562286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68226523 - 2²⁵ = 34672091 is a prime.

It is not a weakly prime, because it can be changed into another prime (68226023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34113261 + 34113262.

It is an arithmetic number, because the mean of its divisors is an integer number (34113262).

Almost surely, 2^68226523 is an apocalyptic number.

68226523 is a deficient number, since it is larger than the sum of its proper divisors (1).

68226523 is an equidigital number, since it uses as much as digits as its factorization.

68226523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 68226523 is about 8259.9348060381. The cubic root of 68226523 is about 408.6182376353.

The spelling of 68226523 in words is "sixty-eight million, two hundred twenty-six thousand, five hundred twenty-three".