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121230023 is a prime number
BaseRepresentation
bin1110011100111…
…01001011000111
322110010010022212
413032131023013
5222013330043
620010214035
73001303205
oct716351307
9273103285
10121230023
1162481a02
123472431b
131c167a55
141215a075
15a99a018
hex739d2c7

121230023 has 2 divisors, whose sum is σ = 121230024. Its totient is φ = 121230022.

The previous prime is 121230017. The next prime is 121230047. The reversal of 121230023 is 320032121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121230023 - 28 = 121229767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121230323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615011 + 60615012.

It is an arithmetic number, because the mean of its divisors is an integer number (60615012).

Almost surely, 2121230023 is an apocalyptic number.

121230023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121230023 is an equidigital number, since it uses as much as digits as its factorization.

121230023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 121230023 is about 11010.4506265638. The cubic root of 121230023 is about 494.9219657284.

Adding to 121230023 its reverse (320032121), we get a palindrome (441262144).

The spelling of 121230023 in words is "one hundred twenty-one million, two hundred thirty thousand, twenty-three".