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106621423 is a prime number
BaseRepresentation
bin1100101101011…
…10100111101111
321102121221002121
412112232213233
5204243341143
614325133411
72433160426
oct626564757
9242557077
10106621423
1155204287
122b85a267
13191215cc
14102362bd
1595617ed
hex65ae9ef

106621423 has 2 divisors, whose sum is σ = 106621424. Its totient is φ = 106621422.

The previous prime is 106621393. The next prime is 106621441. The reversal of 106621423 is 324126601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106621423 - 29 = 106620911 is a prime.

It is a super-2 number, since 2×1066214232 = 22736255685089858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106621223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53310711 + 53310712.

It is an arithmetic number, because the mean of its divisors is an integer number (53310712).

Almost surely, 2106621423 is an apocalyptic number.

106621423 is a deficient number, since it is larger than the sum of its proper divisors (1).

106621423 is an equidigital number, since it uses as much as digits as its factorization.

106621423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 106621423 is about 10325.7650079788. The cubic root of 106621423 is about 474.1853782431.

The spelling of 106621423 in words is "one hundred six million, six hundred twenty-one thousand, four hundred twenty-three".