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BaseRepresentation
bin11111001100111010111
31220221111112
43321213113
5230204143
633525235
711455553
oct3714727
91827445
101022423
11639186
1241381b
1329a4ac
141c8863
15152e18
hexf99d7

1022423 has 8 divisors (see below), whose sum is σ = 1057536. Its totient is φ = 988000.

The previous prime is 1022389. The next prime is 1022429. The reversal of 1022423 is 3242201.

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 1022423 - 28 = 1022167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022398 and 1022407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5258 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (132192).

21022423 is an apocalyptic number.

1022423 is a deficient number, since it is larger than the sum of its proper divisors (35113).

1022423 is a wasteful number, since it uses less digits than its factorization.

1022423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1022423 is about 1011.1493460414. The cubic root of 1022423 is about 100.7419153370.

Adding to 1022423 its reverse (3242201), we get a palindrome (4264624).

The spelling of 1022423 in words is "one million, twenty-two thousand, four hundred twenty-three".

Divisors: 1 53 101 191 5353 10123 19291 1022423