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23112553 is a prime number
BaseRepresentation
bin101100000101…
…0101101101001
31121111020110111
41120022231221
521404100203
62143214321
7400311352
oct130125551
947436414
1023112553
1112056892
1278a73a1
134a33089
1430d8d29
15206826d
hex160ab69

23112553 has 2 divisors, whose sum is σ = 23112554. Its totient is φ = 23112552.

The previous prime is 23112547. The next prime is 23112563. The reversal of 23112553 is 35521132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19829209 + 3283344 = 4453^2 + 1812^2 .

It is a cyclic number.

It is not a de Polignac number, because 23112553 - 217 = 22981481 is a prime.

It is a super-3 number, since 3×231125533 (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23112563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556276 + 11556277.

It is an arithmetic number, because the mean of its divisors is an integer number (11556277).

Almost surely, 223112553 is an apocalyptic number.

It is an amenable number.

23112553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112553 is an equidigital number, since it uses as much as digits as its factorization.

23112553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 22.

The square root of 23112553 is about 4807.5516637890. The cubic root of 23112553 is about 284.8498357391.

Adding to 23112553 its reverse (35521132), we get a palindrome (58633685).

The spelling of 23112553 in words is "twenty-three million, one hundred twelve thousand, five hundred fifty-three".