23115133423 has 4 divisors (see below), whose sum is σ = 24120139248. Its totient is φ = 22110127600.

The previous prime is 23115133421. The next prime is 23115133441. The reversal of 23115133423 is 32433151132.

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 23115133423 - 2¹ = 23115133421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23115133391 and 23115133400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115133421) 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, 502502878 + ... + 502502923.

It is an arithmetic number, because the mean of its divisors is an integer number (6030034812).

Almost surely, 2^23115133423 is an apocalyptic number.

23115133423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23115133423 is a deficient number, since it is larger than the sum of its proper divisors (1005005825).

23115133423 is a wasteful number, since it uses less digits than its factorization.

23115133423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005005824.

The product of its digits is 6480, while the sum is 28.

Adding to 23115133423 its reverse (32433151132), we get a palindrome (55548284555).

The spelling of 23115133423 in words is "twenty-three billion, one hundred fifteen million, one hundred thirty-three thousand, four hundred twenty-three".