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23420330440131 = 379266273711269
BaseRepresentation
bin1010101001100111110000…
…11110011111010111000011
310001220221222002121111222210
411110303320132133113003
511032204314043041011
6121451052401433203
74635030423044142
oct524637036372703
9101827862544883
1023420330440131
11750a562a6a749
12276302533b803
13100b6b2424ab1
145ad79b457759
152a933ac626a6
hex154cf879f5c3

23420330440131 has 16 divisors (see below), whose sum is σ = 31623583219200. Its totient is φ = 15415330595808.

The previous prime is 23420330440033. The next prime is 23420330440139. The reversal of 23420330440131 is 13104403302432.

It is a happy number.

It is not a de Polignac number, because 23420330440131 - 214 = 23420330423747 is a prime.

It is a super-2 number, since 2×234203304401312 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23420330440139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4454965 + ... + 8166233.

It is an arithmetic number, because the mean of its divisors is an integer number (1976473951200).

Almost surely, 223420330440131 is an apocalyptic number.

23420330440131 is a deficient number, since it is larger than the sum of its proper divisors (8203252779069).

23420330440131 is a wasteful number, since it uses less digits than its factorization.

23420330440131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737978.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 23420330440131 its reverse (13104403302432), we get a palindrome (36524733742563).

The spelling of 23420330440131 in words is "twenty-three trillion, four hundred twenty billion, three hundred thirty million, four hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 79 237 26627 79881 2103533 3711269 6310599 11133807 293190251 879570753 98819959663 296459878989 7806776813377 23420330440131