Search a number
-
+
1223312023 is a prime number
BaseRepresentation
bin100100011101010…
…0100001010010111
310011020212200121201
41020322210022113
510001131441043
6321215453331
742212660233
oct11072441227
93136780551
101223312023
1157858947a
122a1827247
1316659728b
14b867b5c3
15725e2c4d
hex48ea4297

1223312023 has 2 divisors, whose sum is σ = 1223312024. Its totient is φ = 1223312022.

The previous prime is 1223312011. The next prime is 1223312071. The reversal of 1223312023 is 3202133221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223312023 - 213 = 1223303831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223316023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611656011 + 611656012.

It is an arithmetic number, because the mean of its divisors is an integer number (611656012).

Almost surely, 21223312023 is an apocalyptic number.

1223312023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223312023 is an equidigital number, since it uses as much as digits as its factorization.

1223312023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1223312023 is about 34975.8777302300. The cubic root of 1223312023 is about 1069.4957949962.

Adding to 1223312023 its reverse (3202133221), we get a palindrome (4425445244).

The spelling of 1223312023 in words is "one billion, two hundred twenty-three million, three hundred twelve thousand, twenty-three".