23203134144 has 84 divisors (see below), whose sum is σ = 66565585944. Its totient is φ = 7727634432.

The previous prime is 23203134109. The next prime is 23203134151. The reversal of 23203134144 is 44143130232.

23203134144 is a `hidden beast` number, since 232 + 0 + 3 + 13 + 414 + 4 = 666.

It is a super-2 number, since 2×23203134144² (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 11 ways as a sum of consecutive naturals, for example, 666744 + ... + 700680.

Almost surely, 2^23203134144 is an apocalyptic number.

23203134144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23203134144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33282792972).

23203134144 is an abundant number, since it is smaller than the sum of its proper divisors (43362451800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23203134144 is a wasteful number, since it uses less digits than its factorization.

23203134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35142 (or 35129 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23203134144 its reverse (44143130232), we get a palindrome (67346264376).

The spelling of 23203134144 in words is "twenty-three billion, two hundred three million, one hundred thirty-four thousand, one hundred forty-four".