23450123 has 16 divisors (see below), whose sum is σ = 26496000. Its totient is φ = 20621952.

The previous prime is 23450117. The next prime is 23450129. The reversal of 23450123 is 32105432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23450117) and next prime (23450129).

It is not a de Polignac number, because 23450123 - 2⁴ = 23450107 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23450095 and 23450104.

It is not an unprimeable number, because it can be changed into a prime (23450129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25058 + ... + 25976.

It is an arithmetic number, because the mean of its divisors is an integer number (1656000).

Almost surely, 2^23450123 is an apocalyptic number.

23450123 is a deficient number, since it is larger than the sum of its proper divisors (3045877).

23450123 is a wasteful number, since it uses less digits than its factorization.

23450123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23450123 is about 4842.5327051038. The cubic root of 23450123 is about 286.2299282278.

Adding to 23450123 its reverse (32105432), we get a palindrome (55555555).

The spelling of 23450123 in words is "twenty-three million, four hundred fifty thousand, one hundred twenty-three".