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23961123037 = 34968656513
BaseRepresentation
bin10110010100001100…
…011011100011011101
32021211220002011112101
4112110030123203131
5343033021414122
615001350005101
71505531120365
oct262414334335
967756064471
1023961123037
11a18647a425
124788646791
13234b236a17
1412343d99a5
159538b2027
hex59431b8dd

23961123037 has 4 divisors (see below), whose sum is σ = 24029779900. Its totient is φ = 23892466176.

The previous prime is 23961123029. The next prime is 23961123047. The reversal of 23961123037 is 73032116932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10115129476 + 13845993561 = 100574^2 + 117669^2 .

It is a cyclic number.

It is not a de Polignac number, because 23961123037 - 23 = 23961123029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23961122987 and 23961123005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23961123047) 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, 34327908 + ... + 34328605.

It is an arithmetic number, because the mean of its divisors is an integer number (6007444975).

Almost surely, 223961123037 is an apocalyptic number.

It is an amenable number.

23961123037 is a deficient number, since it is larger than the sum of its proper divisors (68656863).

23961123037 is an equidigital number, since it uses as much as digits as its factorization.

23961123037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68656862.

The product of its (nonzero) digits is 40824, while the sum is 37.

Adding to 23961123037 its reverse (73032116932), we get a palindrome (96993239969).

The spelling of 23961123037 in words is "twenty-three billion, nine hundred sixty-one million, one hundred twenty-three thousand, thirty-seven".

Divisors: 1 349 68656513 23961123037