23145035344 has 20 divisors (see below), whose sum is σ = 44876497140. Its totient is φ = 11564003840.

The previous prime is 23145035341. The next prime is 23145035369. The reversal of 23145035344 is 44353054132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6689276944 + 16455758400 = 81788^2 + 128280^2 .

It is a super-2 number, since 2×23145035344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145035341) 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, 509659 + ... + 553210.

It is an arithmetic number, because the mean of its divisors is an integer number (2243824857).

Almost surely, 2^23145035344 is an apocalyptic number.

It is an amenable number.

23145035344 is a deficient number, since it is larger than the sum of its proper divisors (21731461796).

23145035344 is a wasteful number, since it uses less digits than its factorization.

23145035344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064238 (or 1064232 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 23145035344 its reverse (44353054132), we get a palindrome (67498089476).

The spelling of 23145035344 in words is "twenty-three billion, one hundred forty-five million, thirty-five thousand, three hundred forty-four".