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1444401123 = 31152184011
BaseRepresentation
bin101011000010111…
…1100111111100011
310201122220011211220
41112011330333203
510424231313443
6355154310123
750536130664
oct12605747743
93648804756
101444401123
11681365a40
12343888343
131a0326629
14d9b8d36b
1586c15a83
hex5617cfe3

1444401123 has 16 divisors (see below), whose sum is σ = 2105004672. Its totient is φ = 873704000.

The previous prime is 1444401061. The next prime is 1444401137. The reversal of 1444401123 is 3211044441.

1444401123 is nontrivially palindromic in base 12.

It is a cyclic number.

It is not a de Polignac number, because 1444401123 - 218 = 1444138979 is a prime.

It is a super-2 number, since 2×14444011232 = 4172589208247322258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1444401093 and 1444401102.

It is not an unprimeable number, because it can be changed into a prime (1444401163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24813 + ... + 59198.

It is an arithmetic number, because the mean of its divisors is an integer number (131562792).

Almost surely, 21444401123 is an apocalyptic number.

1444401123 is a deficient number, since it is larger than the sum of its proper divisors (660603549).

1444401123 is a wasteful number, since it uses less digits than its factorization.

1444401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84546.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1444401123 is about 38005.2775677274. The cubic root of 1444401123 is about 1130.3925132883.

Adding to 1444401123 its reverse (3211044441), we get a palindrome (4655445564).

The spelling of 1444401123 in words is "one billion, four hundred forty-four million, four hundred one thousand, one hundred twenty-three".

Divisors: 1 3 11 33 521 1563 5731 17193 84011 252033 924121 2772363 43769731 131309193 481467041 1444401123