123262243 has 4 divisors (see below), whose sum is σ = 132743968. Its totient is φ = 113780520.

The previous prime is 123262219. The next prime is 123262261. The reversal of 123262243 is 342262321.

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 123262243 - 2⁹ = 123261731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123262283) 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, 4740843 + ... + 4740868.

It is an arithmetic number, because the mean of its divisors is an integer number (33185992).

Almost surely, 2^123262243 is an apocalyptic number.

123262243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123262243 is a deficient number, since it is larger than the sum of its proper divisors (9481725).

123262243 is an equidigital number, since it uses as much as digits as its factorization.

123262243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9481724.

The product of its digits is 3456, while the sum is 25.

The square root of 123262243 is about 11102.3530388832. The cubic root of 123262243 is about 497.6721698994.

The spelling of 123262243 in words is "one hundred twenty-three million, two hundred sixty-two thousand, two hundred forty-three".