23154130223 has 4 divisors (see below), whose sum is σ = 26461863120. Its totient is φ = 19846397328.

The previous prime is 23154130213. The next prime is 23154130247. The reversal of 23154130223 is 32203145132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23154130223 - 2¹⁰ = 23154129199 is a prime.

It is a super-2 number, since 2×23154130223² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23154130192 and 23154130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154130213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653866438 + ... + 1653866451.

It is an arithmetic number, because the mean of its divisors is an integer number (6615465780).

Almost surely, 2^23154130223 is an apocalyptic number.

23154130223 is a deficient number, since it is larger than the sum of its proper divisors (3307732897).

23154130223 is an equidigital number, since it uses as much as digits as its factorization.

23154130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307732896.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 23154130223 its reverse (32203145132), we get a palindrome (55357275355).

The spelling of 23154130223 in words is "twenty-three billion, one hundred fifty-four million, one hundred thirty thousand, two hundred twenty-three".