1268423 has 4 divisors (see below), whose sum is σ = 1366008. Its totient is φ = 1170840.

The previous prime is 1268419. The next prime is 1268429. The reversal of 1268423 is 3248621.

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 1268423 - 2² = 1268419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1268392 and 1268401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268429) 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, 48773 + ... + 48798.

It is an arithmetic number, because the mean of its divisors is an integer number (341502).

2^1268423 is an apocalyptic number.

1268423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1268423 is a deficient number, since it is larger than the sum of its proper divisors (97585).

1268423 is an equidigital number, since it uses as much as digits as its factorization.

1268423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97584.

The product of its digits is 2304, while the sum is 26.

The square root of 1268423 is about 1126.2428690118. The cubic root of 1268423 is about 108.2483709910.

The spelling of 1268423 in words is "one million, two hundred sixty-eight thousand, four hundred twenty-three".