23140204123 has 2 divisors, whose sum is σ = 23140204124. Its totient is φ = 23140204122.

The previous prime is 23140204103. The next prime is 23140204141. The reversal of 23140204123 is 32140204132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23140204123 - 2¹⁷ = 23140073051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23140204094 and 23140204103.

It is not a weakly prime, because it can be changed into another prime (23140204103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570102061 + 11570102062.

It is an arithmetic number, because the mean of its divisors is an integer number (11570102062).

Almost surely, 2^23140204123 is an apocalyptic number.

23140204123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23140204123 is an equidigital number, since it uses as much as digits as its factorization.

23140204123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23140204123 its reverse (32140204132), we get a palindrome (55280408255).

Subtracting 23140204123 from its reverse (32140204132), we obtain a palindrome (9000000009).

The spelling of 23140204123 in words is "twenty-three billion, one hundred forty million, two hundred four thousand, one hundred twenty-three".