268896623 has 2 divisors, whose sum is σ = 268896624. Its totient is φ = 268896622.

The previous prime is 268896583. The next prime is 268896631. The reversal of 268896623 is 326698862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268896623 - 2²⁶ = 201787759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268896223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134448311 + 134448312.

It is an arithmetic number, because the mean of its divisors is an integer number (134448312).

Almost surely, 2^268896623 is an apocalyptic number.

268896623 is a deficient number, since it is larger than the sum of its proper divisors (1).

268896623 is an equidigital number, since it uses as much as digits as its factorization.

268896623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 50.

The square root of 268896623 is about 16398.0676605507. The cubic root of 268896623 is about 645.4487776759.

The spelling of 268896623 in words is "two hundred sixty-eight million, eight hundred ninety-six thousand, six hundred twenty-three".