23030113505 has 128 divisors (see below), whose sum is σ = 34792243200.
Its totient is φ = 14302116864.
The previous prime is 23030113487. The next prime is 23030113523. The reversal of 23030113505 is 50531103032.
Adding to 23030113505 its reverse (50531103032), we get a palindrome (73561216537).
It is an interprime number because it is at equal distance from previous prime (23030113487) and next prime (23030113523).
It is not a de Polignac number, because 23030113505 - 212 = 23030109409 is a prime.
It is a super-2 number, since 2×230301135052 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 211285391 + ... + 211285499.
It is an arithmetic number, because the mean of its divisors is an integer number (271814400).
Almost surely, 223030113505 is an apocalyptic number.
It is an amenable number.
23030113505 is a deficient number, since it is larger than the sum of its proper divisors (11762129695).
23030113505 is a wasteful number, since it uses less digits than its factorization.
23030113505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343.
The product of its (nonzero) digits is 1350, while the sum is 23.
The spelling of 23030113505 in words is "twenty-three billion, thirty million, one hundred thirteen thousand, five hundred five".