1263563223 has 16 divisors (see below), whose sum is σ = 1815315936. Its totient is φ = 777162240.

The previous prime is 1263563221. The next prime is 1263563243. The reversal of 1263563223 is 3223653621.

It is not a de Polignac number, because 1263563223 - 2¹ = 1263563221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263563221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75763 + ... + 90923.

It is an arithmetic number, because the mean of its divisors is an integer number (113457246).

Almost surely, 2^1263563223 is an apocalyptic number.

1263563223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1263563223 is a deficient number, since it is larger than the sum of its proper divisors (551752713).

1263563223 is a wasteful number, since it uses less digits than its factorization.

1263563223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17314.

The product of its digits is 38880, while the sum is 33.

The square root of 1263563223 is about 35546.6344820434. The cubic root of 1263563223 is about 1081.0994813007.

The spelling of 1263563223 in words is "one billion, two hundred sixty-three million, five hundred sixty-three thousand, two hundred twenty-three".