123036423 has 4 divisors (see below), whose sum is σ = 164048568. Its totient is φ = 82024280.

The previous prime is 123036413. The next prime is 123036467. The reversal of 123036423 is 324630321.

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 123036423 - 2⁵ = 123036391 is a prime.

It is a super-2 number, since 2×123036423² = 30275922769269858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123036393 and 123036402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123036413) 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, 20506068 + ... + 20506073.

It is an arithmetic number, because the mean of its divisors is an integer number (41012142).

Almost surely, 2^123036423 is an apocalyptic number.

123036423 is a deficient number, since it is larger than the sum of its proper divisors (41012145).

123036423 is an equidigital number, since it uses as much as digits as its factorization.

123036423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41012144.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 123036423 is about 11092.1784605189. The cubic root of 123036423 is about 497.3680675048.

Adding to 123036423 its reverse (324630321), we get a palindrome (447666744).

The spelling of 123036423 in words is "one hundred twenty-three million, thirty-six thousand, four hundred twenty-three".