23151430514423 has 4 divisors (see below), whose sum is σ = 23152503504000. Its totient is φ = 23150357524848.

The previous prime is 23151430514353. The next prime is 23151430514477. The reversal of 23151430514423 is 32441503415132.

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 23151430514423 - 2³² = 23147135547127 is a prime.

It is a super-2 number, since 2×23151430514423² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23151430514123) 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, 536462423 + ... + 536505576.

It is an arithmetic number, because the mean of its divisors is an integer number (5788125876000).

Almost surely, 2^{23151430514423} is an apocalyptic number.

23151430514423 is a deficient number, since it is larger than the sum of its proper divisors (1072989577).

23151430514423 is a wasteful number, since it uses less digits than its factorization.

23151430514423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072989576.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 23151430514423 its reverse (32441503415132), we get a palindrome (55592933929555).

The spelling of 23151430514423 in words is "twenty-three trillion, one hundred fifty-one billion, four hundred thirty million, five hundred fourteen thousand, four hundred twenty-three".