123236053 has 4 divisors (see below), whose sum is σ = 123259788. Its totient is φ = 123212320.

The previous prime is 123236041. The next prime is 123236063. The reversal of 123236053 is 350632321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29398084 + 93837969 = 5422^2 + 9687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123236053 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 (123236063) 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, 358 + ... + 15703.

It is an arithmetic number, because the mean of its divisors is an integer number (30814947).

Almost surely, 2^123236053 is an apocalyptic number.

It is an amenable number.

123236053 is a deficient number, since it is larger than the sum of its proper divisors (23735).

123236053 is an equidigital number, since it uses as much as digits as its factorization.

123236053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23734.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 123236053 is about 11101.1734965273. The cubic root of 123236053 is about 497.6369199666.

Adding to 123236053 its reverse (350632321), we get a palindrome (473868374).

The spelling of 123236053 in words is "one hundred twenty-three million, two hundred thirty-six thousand, fifty-three".