23123429 has 4 divisors (see below), whose sum is σ = 26426784. Its totient is φ = 19820076.

The previous prime is 23123393. The next prime is 23123461. The reversal of 23123429 is 92432132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23123429 - 2⁸ = 23123173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23123398 and 23123407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651667 + ... + 1651680.

It is an arithmetic number, because the mean of its divisors is an integer number (6606696).

Almost surely, 2^23123429 is an apocalyptic number.

It is an amenable number.

23123429 is a deficient number, since it is larger than the sum of its proper divisors (3303355).

23123429 is an equidigital number, since it uses as much as digits as its factorization.

23123429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303354.

The product of its digits is 2592, while the sum is 26.

The square root of 23123429 is about 4808.6826678416. The cubic root of 23123429 is about 284.8945090241.

The spelling of 23123429 in words is "twenty-three million, one hundred twenty-three thousand, four hundred twenty-nine".