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23420406105001 = 177681917933987
BaseRepresentation
bin1010101001100111111001…
…11111001000001110101001
310001220222011100222200200101
411110303330333020032221
511032204442430330001
6121451104103305401
74635032332143343
oct524637477101651
9101828140880611
1023420406105001
11750a5a174a8a4
12276304674b261
13100b6c4cc7bc9
145ad7a7512293
152a934270ba01
hex154cfcfc83a9

23420406105001 has 8 divisors (see below), whose sum is σ = 24798401246880. Its totient is φ = 22042446984768.

The previous prime is 23420406104987. The next prime is 23420406105011. The reversal of 23420406105001 is 10050160402432.

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 23420406105001 - 27 = 23420406104873 is a prime.

It is a super-2 number, since 2×234204061050012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420406105011) 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, 7661071 + ... + 10272916.

It is an arithmetic number, because the mean of its divisors is an integer number (3099800155860).

Almost surely, 223420406105001 is an apocalyptic number.

It is an amenable number.

23420406105001 is a deficient number, since it is larger than the sum of its proper divisors (1377995141879).

23420406105001 is a wasteful number, since it uses less digits than its factorization.

23420406105001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18010823.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 23420406105001 its reverse (10050160402432), we get a palindrome (33470566507433).

The spelling of 23420406105001 in words is "twenty-three trillion, four hundred twenty billion, four hundred six million, one hundred five thousand, one".

Divisors: 1 17 76819 1305923 17933987 304877779 1377670947353 23420406105001