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12323545242421 = 7116311621130261
BaseRepresentation
bin1011001101010100110010…
…0010010101101100110101
31121122010020001112101010011
42303111030202111230311
53103402110040224141
642113205235300221
72411226640132450
oct263251442255465
947563201471104
1012323545242421
113a21428019236
12147047644a671
136b514a5434aa
14308669bc0497
1516586c6e2881
hexb354c895b35

12323545242421 has 16 divisors (see below), whose sum is σ = 14097483024768. Its totient is φ = 10552967006400.

The previous prime is 12323545242383. The next prime is 12323545242431. The reversal of 12323545242421 is 12424254532321.

12323545242421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12323545242421 - 213 = 12323545234229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323545242431) 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, 94541431 + ... + 94671691.

It is an arithmetic number, because the mean of its divisors is an integer number (881092689048).

Almost surely, 212323545242421 is an apocalyptic number.

It is an amenable number.

12323545242421 is a deficient number, since it is larger than the sum of its proper divisors (1773937782347).

12323545242421 is a wasteful number, since it uses less digits than its factorization.

12323545242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143052.

The product of its digits is 460800, while the sum is 40.

Adding to 12323545242421 its reverse (12424254532321), we get a palindrome (24747799774742).

The spelling of 12323545242421 in words is "twelve trillion, three hundred twenty-three billion, five hundred forty-five million, two hundred forty-two thousand, four hundred twenty-one".

Divisors: 1 7 1163 8141 11621 81347 130261 911827 13515223 94606561 151493543 1060454801 1513763081 10596341567 1760506463203 12323545242421