268203623 has 4 divisors (see below), whose sum is σ = 269849208. Its totient is φ = 266558040.

The previous prime is 268203589. The next prime is 268203631. The reversal of 268203623 is 326302862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268203623 - 2¹⁴ = 268187239 is a prime.

It is a super-2 number, since 2×268203623² = 143866366780652258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268203623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268203323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822548 + ... + 822873.

It is an arithmetic number, because the mean of its divisors is an integer number (67462302).

Almost surely, 2^268203623 is an apocalyptic number.

268203623 is a deficient number, since it is larger than the sum of its proper divisors (1645585).

268203623 is a wasteful number, since it uses less digits than its factorization.

268203623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645584.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 268203623 is about 16376.9234900820. The cubic root of 268203623 is about 644.8938174265.

The spelling of 268203623 in words is "two hundred sixty-eight million, two hundred three thousand, six hundred twenty-three".