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123152797 is a prime number
BaseRepresentation
bin1110101011100…
…10100110011101
322120201210212201
413111302212131
5223011342142
620115331501
73023532025
oct725624635
9276653781
10123152797
1163575579
12352b0b91
131c68bca1
14124daa85
15ac29ab7
hex757299d

123152797 has 2 divisors, whose sum is σ = 123152798. Its totient is φ = 123152796.

The previous prime is 123152759. The next prime is 123152819. The reversal of 123152797 is 797251321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122124601 + 1028196 = 11051^2 + 1014^2 .

It is a cyclic number.

It is not a de Polignac number, because 123152797 - 211 = 123150749 is a prime.

It is a super-2 number, since 2×1231527972 = 30333222817846418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123152747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61576398 + 61576399.

It is an arithmetic number, because the mean of its divisors is an integer number (61576399).

Almost surely, 2123152797 is an apocalyptic number.

It is an amenable number.

123152797 is a deficient number, since it is larger than the sum of its proper divisors (1).

123152797 is an equidigital number, since it uses as much as digits as its factorization.

123152797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 37.

The square root of 123152797 is about 11097.4229891448. The cubic root of 123152797 is about 497.5248299519.

The spelling of 123152797 in words is "one hundred twenty-three million, one hundred fifty-two thousand, seven hundred ninety-seven".