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1423142455 = 5740661213
BaseRepresentation
bin101010011010011…
…0110111000110111
310200011220010102211
41110310312320313
510403311024310
6353114514251
750160340240
oct12464667067
93604803384
101423142455
11670365a99
12338735987
13198ac2337
14d7017cc7
1584e16c8a
hex54d36e37

1423142455 has 8 divisors (see below), whose sum is σ = 1951738272. Its totient is φ = 975869088.

The previous prime is 1423142449. The next prime is 1423142467. The reversal of 1423142455 is 5542413241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423142455 - 23 = 1423142447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20330572 + ... + 20330641.

It is an arithmetic number, because the mean of its divisors is an integer number (243967284).

Almost surely, 21423142455 is an apocalyptic number.

1423142455 is a deficient number, since it is larger than the sum of its proper divisors (528595817).

1423142455 is an equidigital number, since it uses as much as digits as its factorization.

1423142455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40661225.

The product of its digits is 19200, while the sum is 31.

The square root of 1423142455 is about 37724.5603685451. The cubic root of 1423142455 is about 1124.8193830202.

Adding to 1423142455 its reverse (5542413241), we get a palindrome (6965555696).

The spelling of 1423142455 in words is "one billion, four hundred twenty-three million, one hundred forty-two thousand, four hundred fifty-five".

Divisors: 1 5 7 35 40661213 203306065 284628491 1423142455