123233623 has 2 divisors, whose sum is σ = 123233624. Its totient is φ = 123233622.

The previous prime is 123233611. The next prime is 123233653. The reversal of 123233623 is 326332321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123233623 is a prime.

It is a super-2 number, since 2×123233623² = 30373051675412258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123233653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616811 + 61616812.

It is an arithmetic number, because the mean of its divisors is an integer number (61616812).

Almost surely, 2^123233623 is an apocalyptic number.

123233623 is a deficient number, since it is larger than the sum of its proper divisors (1).

123233623 is an equidigital number, since it uses as much as digits as its factorization.

123233623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

The square root of 123233623 is about 11101.0640480992. The cubic root of 123233623 is about 497.6336491011.

Adding to 123233623 its reverse (326332321), we get a palindrome (449565944).

The spelling of 123233623 in words is "one hundred twenty-three million, two hundred thirty-three thousand, six hundred twenty-three".