23430123 has 12 divisors (see below), whose sum is σ = 35315280. Its totient is φ = 14940816.

The previous prime is 23430119. The next prime is 23430133. The reversal of 23430123 is 32103432.

It is not a de Polignac number, because 23430123 - 2² = 23430119 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 23430096 and 23430105.

It is not an unprimeable number, because it can be changed into a prime (23430133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56388 + ... + 56801.

It is an arithmetic number, because the mean of its divisors is an integer number (2942940).

Almost surely, 2^23430123 is an apocalyptic number.

23430123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23430123 is a deficient number, since it is larger than the sum of its proper divisors (11885157).

23430123 is a wasteful number, since it uses less digits than its factorization.

23430123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113218 (or 113215 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23430123 is about 4840.4672295141. The cubic root of 23430123 is about 286.1485323962.

Adding to 23430123 its reverse (32103432), we get a palindrome (55533555).

The spelling of 23430123 in words is "twenty-three million, four hundred thirty thousand, one hundred twenty-three".