23047123 has 4 divisors (see below), whose sum is σ = 25142328. Its totient is φ = 20951920.

The previous prime is 23047109. The next prime is 23047151. The reversal of 23047123 is 32174032.

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

It is not a de Polignac number, because 23047123 - 2⁵ = 23047091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23047094 and 23047103.

It is not an unprimeable number, because it can be changed into a prime (23047153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047586 + ... + 1047607.

It is an arithmetic number, because the mean of its divisors is an integer number (6285582).

Almost surely, 2^23047123 is an apocalyptic number.

23047123 is a deficient number, since it is larger than the sum of its proper divisors (2095205).

23047123 is a wasteful number, since it uses less digits than its factorization.

23047123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095204.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 23047123 is about 4800.7419218283. The cubic root of 23047123 is about 284.5807851237.

The spelling of 23047123 in words is "twenty-three million, forty-seven thousand, one hundred twenty-three".