123633263 has 4 divisors (see below), whose sum is σ = 133143528. Its totient is φ = 114123000.

The previous prime is 123633221. The next prime is 123633271. The reversal of 123633263 is 362336321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362336321 = 251 ⋅1443571.

It is a cyclic number.

It is not a de Polignac number, because 123633263 - 2²⁴ = 106856047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123633203) 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, 4755113 + ... + 4755138.

It is an arithmetic number, because the mean of its divisors is an integer number (33285882).

Almost surely, 2^123633263 is an apocalyptic number.

123633263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123633263 is a deficient number, since it is larger than the sum of its proper divisors (9510265).

123633263 is an equidigital number, since it uses as much as digits as its factorization.

123633263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510264.

The product of its digits is 11664, while the sum is 29.

The square root of 123633263 is about 11119.0495547057. The cubic root of 123633263 is about 498.1710016883.

Adding to 123633263 its reverse (362336321), we get a palindrome (485969584).

The spelling of 123633263 in words is "one hundred twenty-three million, six hundred thirty-three thousand, two hundred sixty-three".