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1423120441 = 31199349661
BaseRepresentation
bin101010011010011…
…0001100000111001
310200011212000020111
41110310301200321
510403304323231
6353114224321
750160216121
oct12464614071
93604760214
101423120441
116703504a6
123387250a1
13198ab5302
14d700dc81
1584e104b1
hex54d31839

1423120441 has 16 divisors (see below), whose sum is σ = 1482880000. Its totient is φ = 1364299200.

The previous prime is 1423120427. The next prime is 1423120453. The reversal of 1423120441 is 1440213241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1423120441 - 27 = 1423120313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423120411) 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, 2152651 + ... + 2153311.

It is an arithmetic number, because the mean of its divisors is an integer number (92680000).

Almost surely, 21423120441 is an apocalyptic number.

It is an amenable number.

1423120441 is a deficient number, since it is larger than the sum of its proper divisors (59759559).

1423120441 is a wasteful number, since it uses less digits than its factorization.

1423120441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1423120441 is about 37724.2685946328. The cubic root of 1423120441 is about 1124.8135832023.

Adding to 1423120441 its reverse (1440213241), we get a palindrome (2863333682).

The spelling of 1423120441 in words is "one billion, four hundred twenty-three million, one hundred twenty thousand, four hundred forty-one".

Divisors: 1 31 199 349 661 6169 10819 20491 69451 131539 230689 2152981 4077709 7151359 45907111 1423120441