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23234421042697 is a prime number
BaseRepresentation
bin1010100100001101011110…
…11010011010111000001001
310001021012002202021121102111
411102012233122122320021
511021133043241331242
6121225425022102321
74615426420201114
oct522065732327011
9101235082247374
1023234421042697
117448731a5a837
122732ba071a9a1
13cc6cc5417a97
145a47a28b557b
152a45a986b817
hex1521af69ae09

23234421042697 has 2 divisors, whose sum is σ = 23234421042698. Its totient is φ = 23234421042696.

The previous prime is 23234421042691. The next prime is 23234421042769. The reversal of 23234421042697 is 79624012443232.

Together with next prime (23234421042769) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21617813054016 + 1616607988681 = 4649496^2 + 1271459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23234421042697 is a prime.

It is a super-2 number, since 2×232344210426972 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23234421042697.

It is not a weakly prime, because it can be changed into another prime (23234421042691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11617210521348 + 11617210521349.

It is an arithmetic number, because the mean of its divisors is an integer number (11617210521349).

Almost surely, 223234421042697 is an apocalyptic number.

It is an amenable number.

23234421042697 is a deficient number, since it is larger than the sum of its proper divisors (1).

23234421042697 is an equidigital number, since it uses as much as digits as its factorization.

23234421042697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 23234421042697 in words is "twenty-three trillion, two hundred thirty-four billion, four hundred twenty-one million, forty-two thousand, six hundred ninety-seven".