23130023534 has 16 divisors (see below), whose sum is σ = 35241138720. Its totient is φ = 11384301600.

The previous prime is 23130023519. The next prime is 23130023537. The reversal of 23130023534 is 43532003132.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130023537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295994 + ... + 365885.

It is an arithmetic number, because the mean of its divisors is an integer number (2202571170).

Almost surely, 2^23130023534 is an apocalyptic number.

23130023534 is a deficient number, since it is larger than the sum of its proper divisors (12111115186).

23130023534 is a wasteful number, since it uses less digits than its factorization.

23130023534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662155.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 23130023534 its reverse (43532003132), we get a palindrome (66662026666).

The spelling of 23130023534 in words is "twenty-three billion, one hundred thirty million, twenty-three thousand, five hundred thirty-four".