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11801423 is a prime number
BaseRepresentation
bin101101000001…
…001101001111
3211012120111202
4231001031033
511010121143
61100540115
7202211324
oct55011517
924176452
1011801423
116730647
123b5163b
1325a27ba
1417d2b4b
151081ab8
hexb4134f

11801423 has 2 divisors, whose sum is σ = 11801424. Its totient is φ = 11801422.

The previous prime is 11801411. The next prime is 11801429. The reversal of 11801423 is 32410811.

11801423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (32410811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11801423 - 212 = 11797327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11801395 and 11801404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11801429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900711 + 5900712.

It is an arithmetic number, because the mean of its divisors is an integer number (5900712).

Almost surely, 211801423 is an apocalyptic number.

11801423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11801423 is an equidigital number, since it uses as much as digits as its factorization.

11801423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11801423 is about 3435.3199268773. The cubic root of 11801423 is about 227.6729626991.

The spelling of 11801423 in words is "eleven million, eight hundred one thousand, four hundred twenty-three".