23140123 has 2 divisors, whose sum is σ = 23140124. Its totient is φ = 23140122.

The previous prime is 23140109. The next prime is 23140163. The reversal of 23140123 is 32104132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23140123 - 2¹³ = 23131931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23140097 and 23140106.

It is not a weakly prime, because it can be changed into another prime (23140163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570061 + 11570062.

It is an arithmetic number, because the mean of its divisors is an integer number (11570062).

Almost surely, 2^23140123 is an apocalyptic number.

23140123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23140123 is an equidigital number, since it uses as much as digits as its factorization.

23140123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23140123 is about 4810.4181730906. The cubic root of 23140123 is about 284.9630525613.

Adding to 23140123 its reverse (32104132), we get a palindrome (55244255).

The spelling of 23140123 in words is "twenty-three million, one hundred forty thousand, one hundred twenty-three".