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122312423 is a prime number
BaseRepresentation
bin1110100101001…
…01011011100111
322112011010002202
413102211123213
5222302444143
620045325115
73013431662
oct722453347
9275133082
10122312423
1163051152
1234b6679b
131c45661c
141235c6d9
15ab10ab8
hex74a56e7

122312423 has 2 divisors, whose sum is σ = 122312424. Its totient is φ = 122312422.

The previous prime is 122312419. The next prime is 122312431. The reversal of 122312423 is 324213221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122312423 - 22 = 122312419 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 122312395 and 122312404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122312483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156211 + 61156212.

It is an arithmetic number, because the mean of its divisors is an integer number (61156212).

Almost surely, 2122312423 is an apocalyptic number.

122312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

122312423 is an equidigital number, since it uses as much as digits as its factorization.

122312423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 122312423 is about 11059.4946991262. The cubic root of 122312423 is about 496.3905707389.

Adding to 122312423 its reverse (324213221), we get a palindrome (446525644).

The spelling of 122312423 in words is "one hundred twenty-two million, three hundred twelve thousand, four hundred twenty-three".