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1423092121 = 117110118041
BaseRepresentation
bin101010011010010…
…1010100110011001
310200011210120101121
41110310222212121
510403302421441
6353113445241
750160040423
oct12464524631
93604716347
101423092121
116703311a0
12338710821
13198aa5459
14d7003813
1584e06dd1
hex54d2a999

1423092121 has 16 divisors (see below), whose sum is σ = 1590005376. Its totient is φ = 1262800000.

The previous prime is 1423092109. The next prime is 1423092131. The reversal of 1423092121 is 1212903241.

It is not a de Polignac number, because 1423092121 - 221 = 1420994969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423092131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69861 + ... + 87901.

It is an arithmetic number, because the mean of its divisors is an integer number (99375336).

Almost surely, 21423092121 is an apocalyptic number.

1423092121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1423092121 is a deficient number, since it is larger than the sum of its proper divisors (166913255).

1423092121 is a wasteful number, since it uses less digits than its factorization.

1423092121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18224.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1423092121 is about 37723.8932375756. The cubic root of 1423092121 is about 1124.8061219148.

Adding to 1423092121 its reverse (1212903241), we get a palindrome (2635995362).

The spelling of 1423092121 in words is "one billion, four hundred twenty-three million, ninety-two thousand, one hundred twenty-one".

Divisors: 1 11 71 101 781 1111 7171 18041 78881 198451 1280911 1822141 14090021 20043551 129372011 1423092121