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23523442031 = 791272344607
BaseRepresentation
bin10101111010000110…
…110011110101101111
32020201101111200001202
4111322012303311233
5341134000121111
614450113000115
71461634646435
oct257206636557
966641450052
1023523442031
119a81408191
124685b5303b
1322ab66128b
1411d2226d55
1592a258b3b
hex57a1b3d6f

23523442031 has 8 divisors (see below), whose sum is σ = 24008785920. Its totient is φ = 23042787768.

The previous prime is 23523442021. The next prime is 23523442057. The reversal of 23523442031 is 13024432532.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23523442031 - 222 = 23519247727 is a prime.

It is a super-2 number, since 2×235234420312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23523441985 and 23523442003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23523442021) 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, 1162271 + ... + 1182336.

It is an arithmetic number, because the mean of its divisors is an integer number (3001098240).

Almost surely, 223523442031 is an apocalyptic number.

23523442031 is a deficient number, since it is larger than the sum of its proper divisors (485343889).

23523442031 is a wasteful number, since it uses less digits than its factorization.

23523442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344813.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 23523442031 its reverse (13024432532), we get a palindrome (36547874563).

The spelling of 23523442031 in words is "twenty-three billion, five hundred twenty-three million, four hundred forty-two thousand, thirty-one".

Divisors: 1 79 127 10033 2344607 185223953 297765089 23523442031