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23454134141 = 50993749177
BaseRepresentation
bin10101110101111110…
…011010111101111101
32020112120002110111212
4111311332122331331
5341013224243031
614435155254205
71460133564554
oct256576327575
966476073455
1023454134141
119a4627a139
1246668aa365
13229a1a57a9
1411c6d44d9b
1592411812b
hex575f9af7d

23454134141 has 8 divisors (see below), whose sum is σ = 23525771640. Its totient is φ = 23382597888.

The previous prime is 23454134113. The next prime is 23454134191. The reversal of 23454134141 is 14143145432.

It can be written as a sum of positive squares in 4 ways, for example, as 377486041 + 23076648100 = 19429^2 + 151910^2 .

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 23454134141 - 210 = 23454133117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23454134098 and 23454134107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454134111) 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, 452345 + ... + 501521.

It is an arithmetic number, because the mean of its divisors is an integer number (2940721455).

Almost surely, 223454134141 is an apocalyptic number.

It is an amenable number.

23454134141 is a deficient number, since it is larger than the sum of its proper divisors (71637499).

23454134141 is an equidigital number, since it uses as much as digits as its factorization.

23454134141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50623.

The product of its digits is 23040, while the sum is 32.

Adding to 23454134141 its reverse (14143145432), we get a palindrome (37597279573).

The spelling of 23454134141 in words is "twenty-three billion, four hundred fifty-four million, one hundred thirty-four thousand, one hundred forty-one".

Divisors: 1 509 937 49177 476933 25031093 46078849 23454134141