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1023442423 is a prime number
BaseRepresentation
bin111101000000000…
…111110111110111
32122022210021001221
4331000013313313
54044000124143
6245315531211
734235055103
oct7500076767
92568707057
101023442423
11485785493
122468b9b07
13134057443
1499cd0903
155ecb22ed
hex3d007df7

1023442423 has 2 divisors, whose sum is σ = 1023442424. Its totient is φ = 1023442422.

The previous prime is 1023442333. The next prime is 1023442447. The reversal of 1023442423 is 3242443201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023442423 - 217 = 1023311351 is a prime.

It is a super-2 number, since 2×10234424232 = 2094868786392221858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023440423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511721211 + 511721212.

It is an arithmetic number, because the mean of its divisors is an integer number (511721212).

Almost surely, 21023442423 is an apocalyptic number.

1023442423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023442423 is an equidigital number, since it uses as much as digits as its factorization.

1023442423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1023442423 is about 31991.2866730927. The cubic root of 1023442423 is about 1007.7538632117.

Adding to 1023442423 its reverse (3242443201), we get a palindrome (4265885624).

The spelling of 1023442423 in words is "one billion, twenty-three million, four hundred forty-two thousand, four hundred twenty-three".