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23443134235031 = 722979720699663
BaseRepresentation
bin1010101010010010001111…
…01100000100000110010111
310002000010211022222022210002
411111021013230010012113
511033043014331010111
6121505343250121515
74636465502103200
oct525110754040627
9102003738868702
1023443134235031
1175191a5129335
12276752a28029b
1310108a7958064
145b0921c705a7
152a9c22c1763b
hex155247b04197

23443134235031 has 24 divisors (see below), whose sum is σ = 28246347501120. Its totient is φ = 19376870799552.

The previous prime is 23443134234911. The next prime is 23443134235091. The reversal of 23443134235031 is 13053243134432.

It is not a de Polignac number, because 23443134235031 - 210 = 23443134234007 is a prime.

It is a super-2 number, since 2×234431342350312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443134235091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9217295 + ... + 11482368.

It is an arithmetic number, because the mean of its divisors is an integer number (1176931145880).

Almost surely, 223443134235031 is an apocalyptic number.

23443134235031 is a deficient number, since it is larger than the sum of its proper divisors (4803213266089).

23443134235031 is a wasteful number, since it uses less digits than its factorization.

23443134235031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20700503 (or 20700496 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 23443134235031 its reverse (13053243134432), we get a palindrome (36496377369463).

The spelling of 23443134235031 in words is "twenty-three trillion, four hundred forty-three billion, one hundred thirty-four million, two hundred thirty-five thousand, thirty-one".

Divisors: 1 7 29 49 203 797 1421 5579 23113 39053 161791 1132537 20699663 144897641 600290227 1014283487 4202031589 16497631411 29414221123 115483419877 478431310919 808383939139 3349019176433 23443134235031