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122311015423 is a prime number
BaseRepresentation
bin111000111101001001…
…1011111101111111111
3102200201001202100200021
41301322103133233333
54000443104443143
6132104445313011
711556660322462
oct1617223375777
9380631670607
10122311015423
114796541a223
121b855865767
13b6c2c1830c
145cc42412d9
1532acd00ced
hex1c7a4dfbff

122311015423 has 2 divisors, whose sum is σ = 122311015424. Its totient is φ = 122311015422.

The previous prime is 122311015399. The next prime is 122311015427. The reversal of 122311015423 is 324510113221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122311015423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122311015427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155507711 + 61155507712.

It is an arithmetic number, because the mean of its divisors is an integer number (61155507712).

Almost surely, 2122311015423 is an apocalyptic number.

122311015423 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311015423 is an equidigital number, since it uses as much as digits as its factorization.

122311015423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 122311015423 its reverse (324510113221), we get a palindrome (446821128644).

The spelling of 122311015423 in words is "one hundred twenty-two billion, three hundred eleven million, fifteen thousand, four hundred twenty-three".