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12372723997 is a prime number
BaseRepresentation
bin10111000010111100…
…01100100100011101
31011221021110111112221
423201132030210131
5200314404131442
65403422225341
7615415263424
oct134136144435
934837414487
1012372723997
11527a097737
122493725251
131222445c7a
148553222bb
154c6347467
hex2e178c91d

12372723997 has 2 divisors, whose sum is σ = 12372723998. Its totient is φ = 12372723996.

The previous prime is 12372723973. The next prime is 12372724003. The reversal of 12372723997 is 79932727321.

12372723997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12266448516 + 106275481 = 110754^2 + 10309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12372723997 is a prime.

It is a super-3 number, since 3×123727239973 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12372721997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186361998 + 6186361999.

It is an arithmetic number, because the mean of its divisors is an integer number (6186361999).

Almost surely, 212372723997 is an apocalyptic number.

It is an amenable number.

12372723997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12372723997 is an equidigital number, since it uses as much as digits as its factorization.

12372723997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 52.

The spelling of 12372723997 in words is "twelve billion, three hundred seventy-two million, seven hundred twenty-three thousand, nine hundred ninety-seven".